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Interrogation and Interviewing Expert Witnesses

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Roger W. Chappell
104 Clear Ridge Cove
Georgetown TEXAS (TX) 78628
phone: 281-793-3455
Roger Chappell Security Expert PhotoRoger W. Chappell, has over 25 years of experience in the Law Enforcement and Security industry. His experience allows him to assist attorneys for both Plaintiff and Defense in determining whether or not minimum industry standards were met regarding premises liability. Additionally, he has a vast array of experience in criminal investigations.

Mr. Chappell has been summoned to testify as an Expert Witness in Texas District Courts on more than 20 occasions involving the following matters:
  • Premises Security Adequacy
  • Murder
  • Capital Murder
  • Felony Murder of a Police Officer
  • Aggravated Robbery
Experience - Mr. Chappell is a 9 year Marine Corps Veteran and 22 year retired police supervisor in Houston, Texas. He is also a former corporate security manager, police crime prevention specialist, detective supervisor, police training manager, and internal affairs sergeant. Mr. Chappell coordinated numerous security related functions at hotels, bars and night clubs, and apartments. He has handled large events during the Super Bowl, MLB All Stars, and NCAA Final Four events. He was also a hostage negotiator for over 12 years responsible for the safe resolution to highly stressful and violent events.

Education / Training: Roger Chappell has a masters degree in Criminal Justice Management from Sam Houston State University. He has over 3,000 hours of training relating to active shooter, homicide investigations, kidnappings, interviewing and interrogation, crime scene process, and mental health issues.

Areas of Expertise:
  • Security Guards Negligence
  • Bar & Nightclub Bouncers Issues
  • Use of Force
  • Investigations and Surveillance
  • Detention and Arrest by Security / Non-Security Personnel
  • Premises Security Issues / Adequacy
  • Security Management
  • Police Policies and Procedures
  • Workplace Violence Issues
  • Unlicensed Security Activity
  • State and Local Regulatory Compliance
  • View Roger Chappell's Consulting Profile.
    7/7/2015 · Security
    A report of shots fired at the Navy Yard in Washington, D. C. brought a huge response from law enforcement from all areas. The response was immediate and overwhelming. As it turns out, the report was false. The incident remains under investigation at the time of this writing.

    5/26/2015 · Security
    Coordinating security for corporate offices, hotels, apartments, convenience stores, and just about every other possible location can have its challenges. Coordinating security at major events, however, is especially challenging. This article will focus on some of the challenges I faced when coordinating security for several events and locations in Houston, Texas for Super Bowl XXXVI.

    Not long after I promoted to sergeant, I was training in a patrol division. I was riding with another sergeant when we received a call from two patrol officers. They were at an apartment complex and had chased a male into an apartment. They requested a supervisor go by with them. So, as part of my training, we went.

    I have read a number of books, studies, and court cases in my career to support the fact that eyewitness identification, by itself, is never sufficient enough to send a person to prison. This is not news. Over the past 20 years, more and more people are being exonerated for violent crimes due to DNA . This article is not to rehash old arguments. Instead, it is more of a reminder to investigators everywhere to not finalize a case, charge a person, and send them to prison based solely on an eyewitness' identification.

    3/26/2015 · Law Enforcement
    During my 22-year law enforcement career, I became involved in countless situations in which I personally dealt with people in mental health crisis. My first incident involved a Hispanic male armed with a pistol. I learned a significant amount from that single incident: so much, in fact, that I made the decision to join the Houston Police Department's Hostage Negotiation Team. The techniques I have learned over the years can be applicable to almost anyone, at any time, in just about any situation. In the following paragraphs, I will recount a few incidents in which I was involved and discuss the techniques used to end each the situation safely. Understand that this is not a specific "how-to guide" that may be applied to every situation. Instead, the use of these techniques will simply allow a person that becomes aware of a certain situation - to be able to attempt to stabilize the incident prior to first responders' arrival.

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    DLV Consulting
    Dan L. Vogel
    PO Box 5862
    Edmond OK 73083
    phone: 405-615-6877
    Dan L. Vogel is a retired FBI Special Agent with a Masters Degree in Administration of Justice and 27 years experience in Federal Law Enforcement. During his FBI career, he worked white collar crime, international terrorism, violent crime, applicant processing, and media matters. During his last 15 years with the FBI, he served as Oklahoma City Coordinator for the National Center for the Analysis of Violent Crime. In this capacity, he worked on all types of violent crimes from throughout the United States and Canada.

    Since retirement, Mr. Vogel has worked as a Forensic Consultant/Expert Witness on premises liability cases, murder, rape, abduction, crime statistics, FBI applicant matters, wrongful death, search and seizure, FBI policies and procedures, and excessive force. He has testified as an expert in Federal and state cases.

    In December 2009, Mr. Vogel volunteered to assist in locating a child who was abducted in Oklahoma in 1968. The investigation located him in 2011 and DNA confirmed his identity. Mother and son have been re-united after 44 years.

    In June 2013, Mr. Vogel was added to the Consulting Committee for The American Investigative Society of Cold Cases.

    Areas of Expertise:
    • Criminal Investigative Analysis
    • Crime Scene Analysis
    • Victim Assessment
    • Foreseeability
    • Equivocal Death
    • Wrongful Death
    • Crime Risk
    • False Allegations
    • Profiling
  • Murder
  • Rape
  • Abduction
  • Crime Statistics
  • FBI Applicant Matters
  • FBI Policies and Procedures
  • Wrongful Death
  • Search and Seizure
  • Excessive Force
  • View Consulting Profile.
    8/25/2015 · Law Enforcement
    In 1982, a foreign diplomat was assassinated a few blocks from a Federal law enforcement agency office. There were no computers, cell phones, or pagers. Within 18 months, investigators made 18 arrests and put two major terrorist organizations out of business. This article will explain how this was accomplished with no digital technology.

    6/30/2015 · Law Enforcement
    This article will discuss the attempted management of a convicted cooperating witness who continued his cons while working with the government. He was a constant challenge with many interesting events. These types of people do not change their personalities just because they are "cooperating". The first time I met him he said, "You'll like me in 15 minutes". He was right.

    4/30/2015 · Criminology
    Homicide cases in which the victim cannot be identified are difficult to solve and profile. This article will discuss the importance of victimology in a homicide investigation.

    Violent Crime has increased dramatically in the United States in the past 50 years. Many of these crimes involve serial homicide and rape which are especially challenging for investigators and experts since the perpetrators are usually experienced at what they do and don't leave many clues at the crime scene (if it can even be found). Plus, these crimes have a tendency to gain a lot of notoriety from the news media and public which results in intense pressure on the police department or investigating agency to solve these crimes quickly.

    6/5/2014 · Psychology
    Many times investigators and experts are confronted with cases which are equivocal: uncertain or questionable. For example, a death appears to be suicide but may actually be murder staged to appear to be a suicide. There are also cases which appear to be suicide but are actually accidental deaths. This article will provide a questionnaire for investigators and experts when confronted with these types of cases. The questionnaire is provided to attempt to determine the mental state of the victim just prior to his or her death and whether or not the victim was suicidal.

    5/8/2014 · Criminology
    John Delorean was a very successful executive at General Motors and was known for developing the Pontiac GTO, the Pontiac Firebird, Pontiac Grand Prix, Chevrolet Vega, and the DeLorean DMC-12 sports car, which was later featured in the 1985 film Back to the Future. In 1982 Delorean was arrested by the FBI for drug trafficking. "The alleged drug trafficking was supposedly an attempt to raise funds for his struggling company, which declared bankruptcy that same year. He successfully defended himself against the drug trafficking charges, showing that his alleged involvement was a result of entrapment by federal agents". Delorean was found not guilty on August 16, 1984.

    This article will focus on how to research FBI policies and procedures for the operation of informants. These documents are available to the public through the Freedom of Information Act (FOIPA). Researching FBI records can be very difficult and frustrating since many of the records are not searchable once you find the record you desire. Lawyers who need help researching these records may find that it is more cost effective to hire an expert to find the information they need.

    2/28/2014 · Law Enforcement
    Many young people make bad decisions which may follow them the rest of their lives and close doors to great opportunities as they progress through the work force. The bad decisions which seem like a "fling" at the time now have disastrous consequences when the young person has an interest in a job that requires a security clearance with a background investigation and polygraph.

    Violent Crime has increased dramatically in the United States in the past 50 years. Many premises liability cases involve violent crimes that could have been prevented if the landowner had taken the appropriate precautions based on industry standards. Foreseeability is important in determining whether violent crime could have been predicted based on past violent events. This information is easily obtained due to advances in computer technology. The public can now access this information in most locations throughout the United States.

    False allegations are seen in several types of cases and are very problematic for police since extensive investigation must be conducted to corroborate the victim's allegations. A great deal of resources can be wasted in these investigations since the alleged crime never took place. One study indicated that false rape allegations constituted 41% of all forcible rape cases in one police department. There are indicators of false allegations that may help police and experts determine whether a crime took place.

    10/15/2013 · Criminology
    Your personal security is based on your life style, and personal decisions. The Risk Continuum will assist you in determining your risk for becoming the victim of a violent crime. Minor changes in your life style may have a major impact on whether or not you will become a violent crime victim. There are many risk factors that you should consider when trying to reduce your level of risk.

    Victimology is defined as an assessment of everything that can be known about the victim of a crime, and is a critical tool for the investigator and experts which can lead to the quick solution of a criminal case or the resolution of a premises liability matter involving a violent crime.

    9/5/2013 · Law Enforcement
    Offenders will sometimes stage a violent crime because they know that they need to re-direct the investigation. The problem for some of them is that they are unfamiliar with crime scene investigation procedures and may make themselves more obvious as a suspect.

    8/19/2013 · Law Enforcement
    Defendant was observed driving a vehicle with a cracked windshield and a broken driver's side rear tail lens. He was stopped by the police for equipment violations and was asked various questions which indicated that he might be transporting money from an illegal drug transaction. Police asked if they could search the car and the defendant refused.

    The assessment of victim risk by an expert witness in a premises liability case may become critical to the successful outcome of the case. This article provides a Daubert style methodology for determining whether the victim was at low, moderate, or high risk for a crime of violence.

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    J. Patrick Murphy
    11515 Brown Trail
    Tomball TX 77377
    phone: 713-899-2402
    J. Patrick Murphy has over 35 years of experience in Law Enforcement, Security Management, and Corporate Loss Prevention. Mr. Murphy's background as a Fortune 50 company security director provides a strategic view of operations, security planning, and liability. His continuing education in the area of security case law and his unique approach to investigating cases make him a valuable Security Expert Witness to any litigation team. His hands on approach and advice during the discovery phase of the case can often be pivotal in determining the ultimate outcome.

    Mr. Murphy provides Security Expert Witness testimony for plaintiff or defense in a broad area of security liability. He specializes in Crime Analysis to establish Foreseeability and to determine the Reasonableness of security measures. Mr. Murphy has extensive litigation experience opposing Wal Mart. Plaintiff 60% Defendant 40%

    Areas of expertise:
    • Premises Liability and Inadequate Security - apartment communities, bars and Other adult Entertainment venues, malls and shopping centers, parking garages / lots, motel, restaurants
    • Retail Loss Prevention - hiring, training and supervision, false arrest, shoplifting, excessive use of force, death during apprehensions, false imprisonment, employee theft, wrongful termination in malls, and major retail settings
    • Bouncers, Bars, Nightclubs, and Security Guards - mall security, shopping center security, proprietary and contract security guards and off duty police
    • Insurance Casualty Claims - adequacy of security hardware such as burglar alarms, robbery alarms, closed circuit television (CCTV), fencing, fictitious pickups of goods and cargo theft at warehouses and distribution centers
    12/17/2013 · Security
    Authors note: I am a nightclub security expert witness. I've never worked in a bar. What qualifies me as an expert is my decades-long experience in security management. Security personnel are known under many different titles such as, most commonly, bouncers but they are also called ushers, greeters, door men, crowd control specialists, etc. The truth, however, is that there are basic tenants to any security program, regardless of business environment, and bars and nightclubs are no different with the exception of alcohol. Bouncer = Security.

    11/14/2012 · Security
    Employee theft is nearly 50% of the losses for retailers. It's a $600 Billion crime across the nation for all businesses and growing. Employers are sometimes reluctant to discuss this topic or even acknowledge its existence but to adopt that approach will lead to financial disaster.

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    Harry C. McCann
    6504 S. Central Ave.
    Sea Isle City NJ 08243
    phone: 215-460-0398
    Harry C. McCann, MPA, is recognized as an expert in Policy, Procedure, and Training by the Federal Courts in the Eastern District of Pennsylvania. He provides consultation services to law firms, police departments, correctional institutions, and municipalities throughout Pennsylvania, New Jersey, and Delaware.

    Background Experience - Throughout his law enforcement career, Mr. McCann has been responsible for the writing and implementation of policy and procedure relating to the Use of Force, Emergency Procedures, Prison Rape Elimination Act, Special Response Team protocols, Staff Training Lesson Plans and Development, Patrol Procedures, and Legal Issues. As the prior Director of Law Enforcement / Police Training in Bucks County (PA), the fourth largest county in Pennsylvania, he has been responsible for developing, coordinating, and implementation training programs to approximately 800 police officers representing 42 police departments.

    Litigation Support - With 37 years of law enforcement expertise in the federal, state and county level, Harry McCann offers a unique perspective of knowledge and expertise in all facets of training, policy, procedure, and case review. He has provided either expert testimony or reports to clients in the states of Pennsylvania, New Jersey, and Delaware.

    Mr. McCann has continually demonstrated his ability to evaluate the issues and present himself in a clear, concise, thorough, and professional manner. His preparation has been acknowledged among his peers and has been honed by 35 years of college teaching and staff development instruction. He offers guidance and expert reports in matters dealing with:
    • Correctional / Police Practices and Procedures
    • Police, Correctional, Court Document Interpretation
    • Use of Force
    • Training Issues and Standards
    • DUI Checkpoint Operations
    • Wrongful Imprisonment and False Arrest
    • Emergency Procedures
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    Dr. Michael D. Lyman
    3703 Hunter Valley Dr.
    Columbia MO 65203
    phone: 573-268-4224
    Dr. Michael Lyman specializes in Police Practices and Procedure and has extensive knowledge of National Policing Guidelines and Standards. He has over 40 years of experience as a senior criminal investigator, certified police trainer and a Professor of Criminal Justice. Dr. Lyman has been retained in over 35 states (and Canada) as a Police Procedures Expert and will consider cases for both plaintiff and defense. He is the Author of six nationally recognized books on police procedure.

    Areas of Expertise:
    • Use of Force
    • Investigative Process
    • Police Pursuits
    • Police Policy
    • Training and Operational Issues
    • Management & Supervision Issues
    • Plainclothes and Undercover Operations
    Services Include:
    • Case Evaluation and Incident Reconstruction
    • Written Opinion Reports
    • Testimony in Depositions, Hearings and Trial
    Published Books: Dr. Lyman has a twenty-eight (28) year publishing record in police practices & procedure. His books are currently used by some of the nation's most prestigious colleges and universities and are often used as training materials for law enforcement organizations

    Fee schedule & CV available upon request.
    Michael D. Lyman, PhD
    Written by a nationally recognized expert in criminal investigation and police procedure, this edition clearly and thoughtfully explains the fundamentals of criminal investigation and forensic science as practiced by police investigators across the nation. The text explores new and emerging techniques in forensic science and how they interface with evidence collection in the field and evidence analysis in the laboratory.
    Michael D. Lyman, PhD
    Presents crime detection as a dynamic field relying heavily on the past experiences of investigators as well as recent practical and technological innovations. It explores the many external variables that can influence the investigator's success and the specific methods of crime detection and prosecution of law available today. The text focuses on the steps and considerations observed in an actual criminal investigation.
    Michael D. Lyman, PhD
    This book explores the principles of policing and introduces readers to the history, administration, and day-to-day practices of the police in the United States. Offering a balanced perspective, it provides readers with the basic framework for understanding contemporary police issues and discusses the myths and preconceptions commonly associated with the profession. This edition includes a new chapter on police culture, a new chapter on police liability, and information on how police work interfaces with forensic science and modern technology.
    Michael D. Lyman, PhD, Gary W. Potter
    This work focuses on the many critical areas of America's drug problem, providing a foundation for rational decisionmaking within this complex and multi-disciplinary field. Broken into three sections: Understanding the Problem, Gangs and Drugs, and Fighting Back, topics covered include the business of drugs and the role of organized crime in the drug trade, drug legalization and decriminalization, legal and law enforcement strategies, an analysis of the socialization process of drug use and abuse, and a historical discussion of drug abuse that puts the contemporary drug problem into perspective.
    Michael D. Lyman, PhD
    Criminal investigation is a dynamic endeavor impacted by changes in human nature, statutory and constitutional laws, and methods of operation. New challenges are constantly posed for the investigator and the investigation of drug offenses is no exception. This new edition of the bestselling Practical Drug Enforcement provides a thoroughly revised and updated guide to the contemporary aspects of covert criminal investigations and the management of the drug enforcement unit itself.
    Michael D. Lyman, PhD, Gary W. Potter
    Dispelling current myths regarding organized crime, Lyman and Potter’s fourth edition reveals a truer picture of organized crime and criminal activity today. Providing scholarly treatment and a social perspective, the authors explore the concept of organized crime, the historical foundation for its evolution and development, and the current status of criminal groups in today’s society.
    Michael D. Lyman, PhD, Gary W. Potter
    Michael D. Lyman, PhD
    This enlightening book removes the mystique and misunderstanding surrounding police work, exploring the principles of policing and introducing readers to the day-to-day practices of these dedicated professionals.
    Michael D. Lyman, PhD
    A comprehensive overview of the fundamentals of criminal investigation, including documentation, suspect identification, report writing, techniques in crime detection, criminal apprehension and prosecution, collection and use of information.
    Michael D. Lyman, Gary W. Potter
    This book provides a comprehensive overview of organized crime -- its definition, theories that explain it, its businesses, history, participants (both domestic and foreign groups), political and corporate alliances, and methods for controlling it.
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    Howard B. Wood
    2352 Tuscavilla Rd.
    Tallahassee FL 32312
    phone: 850-906-0516
    fax: 850-894-6494
    Howard B. Wood, President of Securcorp, Inc., is a retired former Special Agent with the United States Secret Service. He spent over 27 years with the Secret Service. During the past 13 years, he has worked in the private sector as a security consultant and as an expert witness in Premises Liability and Negligent Security cases.

    Litigation Support - A security expert witness with over 35 years in the security industry, Mr. Wood provides forensic security expert witness services, litigation support, security expert witness testimony, and security training to clients in the U.S. and overseas. His services also include witness location and interviews. Mr. Wood's expertise is available to attorneys representing both Plaintiff and Defendant.

    Premises Liability Expertise:
    • Buildings
    • Hotels
    • Banks
    • Apartment Complexes
    • Office Buildings
    • Cruise Liners and Ports
  • Parking Lots
  • Garages
  • Restaurants
  • Bars
  • Security Guards
  • Shopping Malls
  • Association:
    • American Society for Industrial Security
    • International Association of Professional Security Consultants
    • Association of Former Special Agents of the U.S. Secret Service
    • Illumination Engineering Society of North America
    • National Associates of Legal Investigators
    View Howard Wood's Consulting Profile.
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    Michael Gervais
    Owner/Lead Investigator
    1442 E. Lincoln Ave., Unit 486
    Orange CA 92865
    phone: 714-579-7797
    fax: 714-792-0600
    Michael P. Gervais is an experienced Private Investigator with 30 years of experience in Law Enforcement. He has a strong educational background which includes an A.S. in Criminal Justice and numerous certificates in law enforcement science and criminal justice. His background also includes four years in the US Marine Corps as a Military Policeman, Scout, and White House Honor Guard. His company, Silent Warrior, is located in Southern California and provides state and nationwide services.

    Mr. Gervais has extensive knowledge of criminal prosecution with both county and federal Grand Juries. Available to both Plaintiff and Defense, his Litigation Services include surveillance, interviews, statements, trial preparation, and subpoena / process services by registered Process Servers. Mr. Gervais's practical experience, continuing education, new resources, and technology allow for accurate results and undisputable evidence.

    Silent Warrior SealAreas of Expertise:
    • Surveillance
    • Counter Surveillance Detection (Bug Sweeping)
    • Criminal Investigations
    • Civil Investigations
    • Asset Investigations
    • Organized Crime
    • Crime Scene Processing (Dusting for Prints)
    • Interrogation & Interviewing
    • Cheating Spouse Investigations
    • Computer Forensics Investigations
    • Polygraph Testing
    • Process Server
    • Executive and Corporate Personal Threat Assessments
    • PSE & Voice Stress Analysis for Lie Detection
    View Consulting Profile.
    11/25/2013 · Computer Forensics
    The PSE instrument detects, measures and graphically displays the degree of presence or absence of inaudible body tremors that are superimposed on the human voice (at all ages) and on all warm blooded animals. These tremors disappear according to the amount of stress that is present at the moment of utterance. The interview and test are recorded by the computer or cell phone.

    Do you suspect that your husband or wife is cheating on you? If you think that your spouse is cheating, you may be looking for confirmation.

    Michael Gervais
    Guide to knowing if your spouse is cheating, signs and helpful suggestions to help avoid divorce.
    " provides professional lie detection and truth verification services throughout the state of California."
    "Orange Award Program Honors the Achievement of Silent Warrior Investigations"