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Criminal Investigation
There are 13 expert witnesses in this category

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Claude Ammons
Founder/Chief Investigator/Qualified Manager
3175-E Sedona Court
Ontario CA 91764
USA
phone: 877-687-3939
Claude
Claude AmmonsClaude D. Ammons III, the principal of Corinthian Group has over 20 years of Private Investigative experience. His expertise over the years has ranged from Workers Compensation/Insurance Fraud Investigations, Security/Security Consultation and Executive Protection Details for large corporations and VIP's, Loss Prevention/Undercover Assignments for Major Retail chains and Surveillance Operations for both Insurance Companies and the Private Sector.

Mr. Ammons is a licensed Private Investigator, with practical hands-on knowledge gained from years of field experience while working with some of the largest and well known investigative firms. His desire to provide his clientele solutions for their problems in the most cost efficient manner is unmatched in the industry. His commitment to continuing education, new cost efficient technologies and specialized background training are the primary reasons that his clients enjoy a successful team oriented working relationship.

Mr. Ammons' "think outside the box" mentality aides in his relentless pursuit for perfection in all that he endeavors. His prestigious clientele list includes major computer firms, insurance companies, municipalities, law firms, celebrities, and VIP's throughout the United States. In addition, he served as the Association President of the Professional Investigators of California Association (PICA), for the calendar year of 2009.

Services Include:
  • Surveillance & Counter Surveillance
  • Infidelity / Cheating Detection
  • Child Custody Investigations
  • Insurance Fraud
  • Skip Trace
  • Computer Investigations
  • Stationary Surveillance Reconnaissance
  • Pre-Marital Investigations
  • SIU & Claims Audits
  • Business Background Investigations
  • Stalking Investigation & Suppression
  • Criminal Defense
  • Loss Prevention
  • Anti-Terrorism Training for Businesses
  • Corporate Espionage Detection
  • Environmental Investigations
  • Elder Abuse Investigations
  • Polygraph Examinations / Lie Detection
  • Discrimination Investigations
  • Voice Stress Analysis
  • TSCM (Technical Surveillance Counter Measures / Bug Sweep Detection Service)
  • DNA Testing
  • Witness Locating
  • GPS Tracking Devices
  • Security Cameras, Systems & CCTV
  • Embezzlement & White Collar Crimes
  • Missing Persons Investigations
  • Finger Print Lifting
  • At Risk Teens Investigations
  • Process Service
  • Crime Scene Diagramming
  • Work Place Violence Investigation & Mitigation
  • Threat Assessment


  • Surviving Infidelity: Creating Boundaries & Establishing Consequences
    Infidelity is a huge problem in society today. Because of our busy lives and the increase use of technology, the opportunity to have an affair is easier than ever. As a Los Angeles, California based licensed private investigator specializing in infidelity investigations, I regularly consult with clients who are not equipped to navigate the murky and often stormy emotional waters that surface when they suspect their spouse is having an affair.

    Private Investigation: Finding and Using Social Media Evidence in the Courtroom
    As the technology continues to advance at an overwhelming pace, so does our dependency on internet based technology. Researchers in years past would utilize manual sources such as the local library, archived court records and news publications to gather intelligence on the subject of their investigation.

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    Robert Archuleta
    CEO
    P.O. Box 1409
    Woodbridge CA 95258
    USA
    phone: 209-952-4081
    fax: 209-952-4081
    Robert
    Archuleta & Associates Investigative Services, a Division of Archuleta & Associates, Inc., has been providing investigative services within various industries since 1982. They are the overwhelming leaders within the CA Central Valley.

    The clientele of Archuleta & Associates, Inc. consists of every level of business, from both the private and public sector. Due to the wide range of services provided and their 25 years within the industry, they have worked with an extremely diverse and vast clientele base, from the largest of litigation firms to the smallest of personal clients.

    Robert A. Archuleta launched his career as a Private Investigator in 1983, after five years as an officer, investigator and sergeant for the Lodi Police Department, followed by stints as an engineering contractor and a deputy U.S. Marshal. Among his other clientele, Mr. Archuleta has been as an Expert Witness for the Department of Consumer Affairs for the State of California.

    Services Include:
  • Accident Reconstruction
  • AOE / COE
  • Civil Litigation
  • Copyright Infringement
  • Criminal Defense
  • Criminal Prosecution
  • General Engineering
  • GPS Location / Tracking
  • Insurance Bad Faith
  • Insurance Defense
  • Seminar Training
  • Surveillance
  • Traffic Reconstruction
  • Video Evidence
  • Voice Stress Analyzation
  • Workers Compensation
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    Armando Zatarain
    Private Investigator
    369 San Miguel Drive
    Suite 165
    Newport Beach CA 92660
    USA
    phone: 949-760-2700
    fax: 949-612-0822
    Armando Zatarain, a licensed Private Investigator, has 13 years experience as a uniformed police officer and 12 years as a Special Agent with the California Department of Justice. Mr. Zatarain has performed work in an undercover capacity, clocking thousands of hours of fixed and moving surveillance. He speaks Spanish fluently, and conducts Civil and Criminal Investigations in Mexico. Mr. Zatarain has extensive in Insurance and Worker's Compensation Fraud and has testified hundreds of times in State and Federal courts.

    Services Include:
  • Pretrial Investigations
  • Witness Location
  • Surveillance
  • Missing Persons
  • Background Checks
  • Internal Theft / Fraud Investigations
  • Blackmail & Extortion
  • Asset Searches
  • Loss Prevention
  • Political Opposition Research
  • Corporate Due Diligence

  • Sample Cases:
  • Insurance Fraud
  • Armed Robbery
  • Assault and Battery
  • Child Molestation
  • Family Law Matters
  • Infidelity
  • Domestic Violence
  • Forcible Rape
  • Fatal Car Accidents
  • Gang Homicide
  • Neighborhood Disputes
  • Sentence Reduction
  • Slip and Fall
  • Terrorist Threats
  • Sexual Harassment
  • False Arrest
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    Decision Validation , LLC
    Peter Wade
    Suite 1449
    1941 Raccoon Lane
    Myrtle Beach SC 29575
    USA
    phone: 843-492-6961
    fax: 843-492-6961
    Peter Wade is a Federal court qualified expert in Postal Procedures and Postal Inspection Service policies, investigative methods and techniques. He has twenty-five years of experience with the U.S. Postal Inspection Service, eight years as a postal inspector and seventeen years in supervisory and policy-making positions. Mr. Wade also has two years of experience as postmaster of San Juan, PR. He has provided expert opinions in numerous federal and state court matters regarding postal criminal investigative procedures and USPS policies and procedures.

    12/8/2011 · Postal Services
    Certified Mail Versus Certificate Of Delivery: What's The Difference?
    The United States Postal Service offers two services which document that a letter has been placed in the mail at a certain place on a certain date; Certified Mail and a Certificate of Mailing.

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    ECJM Consultants, Inc.
    Edward Mamet
    President (Retired Captain NYCPD)
    PO Box 1559
    Cooper Station
    New York NY
    USA
    phone: 212-475-8215
    fax: 646-349-3238
    Edward
    Areas of Expertise: Retired New York City Police Department Captain of Detectives with 40 years experience, Captain Mamet is an Expert in investigations, tactics, operations, conduct, training, procedures, use of force, high-speed chases and other forms of police liability, as well as security matters. He has testified as an Expert Witness in numerous cases, federal, state and local, for Defense and Plaintiff.

    Profile: Retired Captain Mamet founded ECJM Consultants, Inc., in 1998, after completing forty years service in police work. His group provides high quality, cost effective police and security practices expertise to clients on a variety of law enforcement and security related issues. ECJM specializes in law enforcement and security liability matters, supporting both plaintiff and defense attorneys. Before deciding to assign a case to one of our experts, we will take the time to have a full discussion with potential clients, free of charge.

    Professional Experience: Most ECJM experts are retired New York City Police Department command officers whose combined experience exceeds 125 years in law enforcement and security. Upon analysis of the materials supplied, the reviewing expert will offer a fair, impartial and clearly explained evaluation. A written report, if required, will be prepared. Should the opinion be helpful, the expert will also be available for deposition and trial.

    Services: At the client's request, ECJM experts will provide an early assessment of a case, regardless of review time required, for a predetermined fee or bill by the hour. This innovative service means early, initial consultation with experts in a manner previously unavailable at such low cost. Early case assessment facilitates better client decision making regarding whether and how to proceed.
    7/12/2011 · Law Enforcement
    The Real Troopergate Scandal Explored
    During my 40-year New York City Police Department career, I held nearly every rank and was detached to run large and troubled investigative divisions of two major city and state agencies.

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    Jon J. Nordby
    Ph.D.
    3532 Soundview Drive West
    Univeristy Place WA 98466-1426
    USA
    phone: 253-627-2739
    fax: 253-627-0350
    Dr. Jon J. Nordby is a Professor and Medical Investigator, focusing on Forensic Science and Forensic Medicine. He specializes in Medico-legal Death Investigation, Bloodstain Pattern Analysis, Ballistics, Firearms & GSR Testing, Trace Evidence Analysis, Crime Scene Investigation & Event Reconstruction.

    Services Include:
  • Death Investigation - Assessment of cause & manner of death and Investigation of scenes & histories of principals
  • Criminalistics - Trace evidence analysis, Ballistics & Firearms Examinations, and Scene investigation
  • Forensic Analysis - Investigation & evaluation of presented scientific evidence and Scientific Investigation & evaluation of expert testimony
  • Police Shootings - Administrative reviews & internal affairs investigations and Questions of Justification
  • Ethics - Police and Forensic Sciences
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    Gregory Lee
    Criminal Justice Author and Consultant
    P.O. Box 1195
    Pebble Beach CA 93953-2837
    USA
    phone: 831-920-7367
    fax: 831-655-3185
    Gregory D. Lee is a retired Supervisory Special Agent with the Drug Enforcement Administration with 30 years of law enforcement experience. He was an instructor for DEA’s Office of Training at the FBI Academy and is the author of Global Drug Enforcement: Practical Investigative Techniques (2003).

    Mr. Lee’s real world expertise covers the entire drug law enforcement spectrum. He is a court qualified expert witness who will thoroughly review discovery material and provide you with a written analysis of your case. Please see website for CV, bio & professional experience.

    Services Offered:
  • Expert Witness
  • Written Case Evaluations
  • Military Justice Matters
  • Drug Enforcement Training
  • Use of Force Evaluations
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  • Gregory D. Lee
    Based largely on the training and experiences of a recently retired Supervisory Special Agent of the U.S. Drug Enforcement Administration (DEA) who is a former instructor for DEA's Office of Training at the FBI Academy.
    Gregory D. Lee
    The book is written based largely on the training and experiences of a recently retired Supervisory Special Agent of the U.S. Drug Enforcement Administration (DEA) who is a former instructor for DEA's Office of Training at the FBI Academy.
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    Jeff Saviano, CFC
    PO Box 75070
    Colorado Springs CO 80970
    USA
    phone: 719-337-0869
    fax: 888-202-3839
    Jeff
    Jeff Saviano is a Certified Forensic Consultant who has been involved in the Examination and Evaluation of Forensic Evidence for over 26 years. Mr. Saviano has testified in both state and federal jurisdictions as an expert in several forensic disciplines. As a forensic examiner and consultant, he has worked on cases originating in Arizona, Colorado, Georgia, Nevada, and Washington.

    Mr. Saviano was a Criminalist with the El Paso County Colorado Sheriff's Office for over 23 years. He has been in private practice as a Forensic Examiner and Consultant since 2004. Among others, Mr. Saviano provides specialized knowledge to defense attorneys involved in criminal or civil cases in which physical evidence is at issue.

    Jeff Saviano is a court qualified expert in the following disciplines: Crime Scene Investigation; Crime Scene Reconstruction; Bloodstain Pattern Analysis; Shooting Incident Reconstruction; Evidence Recovery; Fingerprint Examination; Footwear and Tire Impression Examination; External and Terminal Ballistics.

    Certifications:
    • Certified Forensic Consultant (American College of Forensic Examiners)
    • Level 1 Certified Medical Investigator (American College of Forensic Examiners)
    Services Include:
    • General Review of Criminal Cases
    • Crime Scene Investigation
    • Crime Scene Reconstruction
    • Bloodstain Pattern Analysis
    • Bullet Flight Path Analysis
    • Collection/Preservation of Forensic Evidence
    • Latent Print Examination
  • Footwear Impression Analysis
  • Tire Impression Analysis
  • Forensic Photography and Digital Imaging
  • Crime Scene Diagrams and Other Demonstrative Evidence
  • Vehicle Lamp Examination
  • Identification of Serological Specimens
  • View Consultant Profile.
    5/11/2012 · Forensics
    Recommendations from the National Academy of Sciences Regarding the Forensic Discipline of Bloodstain Pattern Analysis
    Most of us are familiar with the recent report from the National Academy of Sciences regarding the current state of forensic science. The section of the 254-page report that addresses the forensic discipline of bloodstain pattern analysis comprises fewer than two pages, yet succeeds, I believe, in making some astute points.

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    John Villines, MS, ICPS, CPP
    Member, State Professional Licensing Board
    372 Habersham Hills Cir #356
    Cornelia GA 30531
    USA
    phone: 770-451-0000
    John
    John C. Villines is a Certified Crime Prevention Specialist and a Board Certified Security Manager. He has been a Security Consultant, Author, Seminar Presenter and Expert Witness since 1979. Mr. Villines' clients include Fortune 100 corporations.

    Education: M.S. Security Management (08); Georgia State University: College of Law (82-85); B.S. Crim Justice (82)

    Areas of Expertise:
  • Security Negligence
  • Foreseeability
  • Negligent Investigations
  • Policies
  • Procedures
  • Standard of Care
  • Management and Supervision
  • Training
  • Personal Safety
  • Threat Assessment
  • Access Controls
  • Crime Prevention

  • Venues: Malls, Office Buildings, Hotels/Motels, Apartments, Retail, Parking Lots, Government Buildings, other.

    Member:
  • International Association of Crime Analysts
  • International Society of Crime Prevention Practitioners
  • American Society of Criminology
  • 4/19/2011 · Security
    Training...Asset or Risk?
    As security professionals, we are accustomed to identifying assets and protecting them.

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    Michael D. Lyman, Ph.D.
    3703 Hunter Valley Dr.
    Columbia MO 65203
    USA
    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 thirty-four years of experience as a senior criminal investigator, certified police trainer and a professor of criminal justice. Dr. Lyman has been retained in over 30 states as a Police Procedures Expert and will consider cases for both plaintiff and defense. He is the Author of five nationally recognized books on police procedure.

    Areas of Expertise:
    • Use of Force
    • Investigative Process
    • 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-two year publishing record in police practices & procedure. His books are currently used by some of the nation's most prestigious colleges and universities.

    Fee schedule & CV available upon request.
    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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