Police Practices and Procedures Expert Witnesses: 20

Dr. James F. Pastor, Ph.D, JD, CPP, is a multifaceted security expert with a rich background that spans security, policing, legal, and academia. His career began as a tactical officer in Gang Crime Enforcement with the Chicago Police Department, where he gained hands-on experience in one of the nation's most dynamic policing environments. This real-world foundation laid the groundwork for his extensive expertise in security, policing, and public safety.
 
 Transitioning from the streets to the courtroom, Dr. Pastor built a distinguished legal career representing police unions, security guard and electronic security firms, corporations, and religious institutions. His comprehensive counsel and advice to litigation attorneys, corporate counsel, and policy makers is grounded on real world experience and practical understanding.
 
With a doctorate in Public Policy Analysis, Dr. Pastor brings vision and understanding of how policies shape incentives and influence human behavior. This academic insight, combined with his extensive experience, gives him a unique perspective on risk and liability, making him a sought-after advisor for corporations and communities aiming to prevent crime or mitigate its impact.
 
Dr. Pastor’s security sense is a blend of street-level policing intuition, academic scholarship, legal expertise, and technical know-how, further enhanced by a deep understanding of geopolitical trends. His decades-long study of terrorism and extremism also informs his work, allowing him to contribute valuable insights and assessments in a variety of settings.

Areas of Expertise:

Litigation Support - Dr. Pastor is a highly regarded expert witness with experience in policing, security, public safety, and legal issues relating to these. His depth and breathe of experience is substantive, yet practical. Bringing a unique background, along with credentials and skills, including participating in over 750 prior depositions, has proven to be very effective in his expert witness role.

Dr. Pastor has over 20 years of university teaching experience in security, public safety, and policing, including Northwestern University- Center for Public Safety and the International Law Enforcement Academy. 

Author of four books on security and public safety, plus chapter on Private Policing in ASIS International's Protection of Assets Manual and created Privatization of Policing Bibliography for Oxford University Press, both being comprehensive, substantive works relating to Private Policing.

View SecureLaw LLC's Consulting Profile.

Joseph E. Gunja is a Jails, Prisons and Corrections Expert with more than 30 years of experience in the corrections industry. Mr. Gunja had a distinguished career with the Federal Bureau of Prisons (FBOP) for over 28 years serving as a Correctional Officer, Shift Supervisor, Investigator, Captain, Associate Warden, and Warden at three complex correctional facilities. 

Litigation Support - Joseph Gunja has an over 90% success rate in all cases he has been retained as an expert, both working with plaintiffs and defendants, as well as several cases of sentencing mitigation or reductions.  While some cases were settled in lieu of court, the settlements were all in favor of the attorneys or firms he represented. He offers advice, expertise, and expert testimony for a variety of issues in matters pertaining to: 

What Really Happens Inside a Prison

Mr. Gunja also served as Regional Director of the Western Region for over 2 years and was assigned to the FBOP's Headquarters in Washington, DC where he was responsible for authoring national policy and official publications, providing technical expertise to the Assistant Director of Correctional Programs and facility Wardens, Associate Wardens, and Captains. 

After retiring from the FBOP in 2007, Mr. Gunja has been providing correctional consultation and expert witness services. In addition, he has worked for two of the largest private corrections companies, CCA and GEO Group, as Warden at the Northeast Correctional Center in Youngstown, Ohio, and the Great Plains Correctional Facility in Hinton, Oklahoma.

View Simco Correctional Consulting's Business Consulting Profile.

Dr. Theron L. Bowman is a nationally recognized expert in Police Practices, Constitutional Policing, and Law Enforcement Oversight with more than 40 years of experience in public safety leadership, consulting, and litigation support. A former Chief of Police and Deputy City Manager for Arlington, Texas, he is the founder and CEO of The Bowman Group, a consulting firm specializing in police reform, accountability, and compliance monitoring.

Dr. Bowman has served as an expert in state and federal cases involving use of force, civil rights, internal investigations, and policy failures. His work spans major U.S. jurisdictions including New York City, Baltimore, Chicago, Memphis, Phoenix, Seattle, and Los Angeles County, and he has advised international policing initiatives in Bosnia, Kosovo, Haiti, Israel, Jordan, Iraq, and Afghanistan.

Litigation Support - Dr. Bowman has served as an expert in state and federal cases involving use of force, civil rights, internal investigations, and policy failures. His work spans major U.S. jurisdictions including New York City, Baltimore, Chicago, Memphis, Phoenix, Seattle, and Los Angeles County, and he has advised international policing initiatives in Bosnia, Kosovo, Haiti, Israel, Jordan, Iraq, and Afghanistan.

Attorneys and agencies retain Dr. Bowman for his deep operational insight, courtroom-tested credibility, and ability to translate complex police practices into clear, objective analysis.

Areas of Expertise:

Background Experience - Dr. Bowman holds a Ph.D. and MPA from the University of Texas at Arlington and is a graduate of the FBI National Executive Institute, FBI National Academy, and Senior Management Institute for Police.

A former CALEA Commissioner, Dr. Bowman has trained and advised agencies on constitutional policing, leadership, and accountability. His key areas of expertise include use of force, civil rights, police supervision, misconduct investigations, bias-free policing, and major event security.

He has held leadership roles with the International Association of Chiefs of Police and coordinated security for events such as the Super Bowl and World Series. His reform work includes guiding agencies under DOJ consent decrees and developing policies that strengthen accountability and community trust.

theron.bowman@tbowmangroup.com | (817) 502-9197

View The Bowman Group's Business Consulting Profile.

Emanuel Kapelsohn is an internationally recognized Firearms Training and Use of Force consultant who has instructed thousands of police and security officers, federal agents and others throughout the U.S. and abroad since 1980. A graduate of Yale University and Harvard Law School, he is a practicing attorney in addition to his consulting work. 

As vice president of the Internat’l Assoc. of Law Enforcement Firearms Instructors, Mr. Kapelsohn is a certified in force science and shooting scene reconstruction, and as an instructor in numerous law enforcement disciplines. He is a featured presenter at national and international instructor conferences. He has authored over 130 published articles, is Associate Editor of "Standards & Practices Guide for Law Enforcement Firearms Instructors," and principal author of "Firearms Training Standards for Law Enforcement Personnel," and "Guidelines for Simulation Training Safety." 

Mr. Kapelsohn testifies as an expert witness in civil and criminal cases in state and federal courts nationwide, and has testified by invitation before both houses of Congress. 

Testimony on the Following Subjects:

View Emanuel Kapelsohn's Consulting Profile.

Adam Bercovici has over 40 years of experience in the Police and Security field. Mr. Bercovici spent 30 of those years with the LAPD, 20 as a supervisor and manager. He is currently a retired LAPD lieutenant and former security company CEO.

Background: Mr. Bercovici's leadership assignments included the Criminal Investigation Section- Major Crimes Division-The Joint Terrorism Task Force, The FBI Violent Crime Task Force ( where he supervised the FBI Fugitive Task Force), The Special Investigation Section, and Homicide Special Section. 

Since 2012, Mr. Bercovici has worked as a subject matter expert and consultant in Police Practices and Complex Police Investigations. His clients have included major law firms, insurance companies, and corporations.  Mr. Bercovici is currently retained on several high-profile cases.  He is an experienced Expert Witness who has written numerous Rule 26 Reports and has testified in both State and Federal courts.  Writing examples can be provided.  Mr. Bercovici has been an on-air talent, producer, and script and story consultant in the entertainment industry.  He was the Co-Talent on The History Channel Series JFK Declassified-Tracking Oswald.  Mr. Bercovici was the Executive Producer for American Cartel for Discovery Plus. 

Litigation Support: Adam Bercovici splits his work between defense and plaintiff. He has been retained by prominent civil rights firms, major municipalities and their legal counsel, plaintiff attorneys, city attorneys, and criminal defense attorneys. Mr. Bercovici accepts work based on the merits of the individual case.

Areas of Expertise: