Criminal Justice Expert Witnesses in California

This expert has more than 30 years of experience in the field of campus policing and security. He has lectured and published both nationally and internationally in the fields of negligent security, alcohol abuse, community & public relations, campus police protocol, building security, and more. He has served as an expert witness numerous times in campus cases ranging from murder to assault and rape. He spent most of his career working in public safety and police operations at UMass Boston and San Diego State University, and is currently an Adjunct Professor teaching Criminal Justice Policies.

This veteran police over spent nearly three decades with the Los Angeles and Santa Rosa Police Departments. He was an Officer in Los Angeles until 1991 and then served in Santa Rosa until 2015, where he was a Lieutenant and Investigative Bureau Commander. The expert has obtained his B.S. in Criminal Justice from California Coast University and has delivered several presentations in the field. He is a certified SWAT/HNT Commander and a certified National Instructor.

This expert is a Criminal Justice consultant and expert witness for private and government attorneys on criminal and civil matters. He is qualified as an expert witness in federal and state courts on police procedures, tactics, firearms, and the use of force. This expert can provide formal written declarations in federal and state criminal and civil proceedings as law enforcement subject matter expert and is has also qualified several times as an expert in federal court in the Central District of California on drug investigations while an active special agent for DEA. .

This expert is a retired police officer and owner of a police training and consulting firm. He holds a Bachelor of Science in Criminal Justice Management, a Masters of Science in Psychology and is completing a doctoral degree in Performance Psychology. He is a Certified Criminal Investigator with the American College of Forensic Examiners Institute and a Force Science Certified Analyst with the Force Science Institute He currently teaches the application of Human Factors science to a police officer's use of force (Attention, Perception, Response Time, Decision Making, and Memory). He is also an Adjunct Professor of Criminal Justice, a Police Academy Instructor, and a Force Options Simulator Instructor at a large regional training center. His policing experience includes positions in; SWAT, Field Training, Gangs, Narcotics, Supervision Media Relations, and Use of Force Training.

This expert served 32 years with the San Francisco Police Department in a variety of different capacities. He began his experience as a police officer for nine years in patrol, and then went on to serve as a Sergeant and Inspector in the Investigations Bureau for over four years investigating Violent Crimes, Auto Theft, Burglary and Domestic Violence. He went on to serve as a Commander in the Patrol Bureau, Investigations Bureau, and over the Tactical Company and Homeland Security Unites. In his final role with the San Francisco Police Department, he served as Deputy Chief and was responsible for oversight of the 1700 member patrol force. Since retiring from the Police Department in 2013, this expert has been serving as a Lecturer in Criminal Justice Studies at a University in California.

Location: CA AS, Criminology, Truckee Meadows Community College BS, Criminal Justice Administration, University of Phoenix MS, Justice Management, University of Nevada Member, American Jail Association Member, International Association of Chiefs of Police Member, California Jail Programs Association Member, California State Sheriffs Association Certified, Jail Manager, American Jail Association Certified, Peace Officer, Category III, Nevada POST Former, Correctional Manager, Nevada Department of Corrections Former, Warden, Nevada Department of Corrections Former, Adjunct Faculty, College of Criminal Justice & Security, University of Phoenix Current, Director, a California correctional services department

This highly-qualified expert has nearly 40 years of experience in law enforcement and security operations. He is a licensed private investigator and has extensive experience in law enforcement best practices, security guard operations, use of force, premise liability, complex criminal investigations, homicide investigations, and K9 handling. He earned his BA from Claremont McKenna College before beginning his 30-year career with the LAPD. This expert started as a police officer I and rose in the ranks to eventually retire as a lieutenant II, officer-in-charge. Over the course of his career with the LAPD, he worked in several divisions, including the metropolitan division as a K9 handler, the burglary-auto theft division, major crimes division, and the robbery-homicide division. Upon retiring from the LAPD, this expert served as the CEO of Critical Solutions Protective Services Group for 7 years. Currently, this expert is the CEO and senior investigator of a private investigations consulting firm in California.

This qualified expert earned her BA in psychology with a minor in criminal justice from Northwest Nazarene University before earning both her MA and PhD in psychology from Fuller Graduate School of Psychology. She is licensed as a psychologist in three states and is a registered health service psychologist. She is active in her field as a member of the American Psychological Association, the American Psychology-Law Society, and the Association for the Treatment of Sexual Abusers. This expert formerly served as a psychological assistant in the sex offender treatment program at La Paz Psych Group, an assessment assistant and clinical associate psychologist with Dr. Ermshar & Associates, and as a psychologist at PCH Treatment Center. She also served as an invited lecturer and data manager for forensic studies at Alliant International University and as an adjunct faculty member at Southern New Hampshire University. Currently, this expert is a forensic evaluator for a private medical corporation and a conditional release program, as well as a lecturer in forensic neuropsychology at a graduate school in California. She also is a licensed psychologist and the president of a private practice that she founded in California.

This highly-qualified expert has twenty years of experience specializing in law enforcement investigations with particular expertise in sexual assault, threat assessment, and management. She is certified in forensic sciences, as a defensive tactic and use of force instructor, and as a threat assessment professional. This expert is active in her field with memberships to the Association of Threat Assessment Professionals, Alliance for Hope, California Homicide Investigators Association, and California Sexual Assault Investigators Association. She has given multiple presentations in her field, has received multiple awards, and has trained thousands of individuals throughout the country in domestic violence, sexual assault, child abuse, etc. Formerly, she served as an investigator for multiple entities and most recently served as a master investigator for the Violence Against Women's Act and the Ben Clark Training Center at Riverside County Sheriff. Currently, she serves as CEO of a sexual assault and domestic violence consultancy, the CEO of a trauma and survivor nonprofit, and as an investigator of persons crimes for a county sheriff, all located in California.

This highly-qualified expert has nearly 20 years of experience as a paramedic. He earned an AS in nursing at Excelsior College and a JD at Lincoln Law School. He holds certifications as a critical care paramedic and a rescue diver, and is licensed as an emergency medical technician and paramedic in California. He previously served as a death investigator at the coroner's office in the Sierra County Sheriff Department, a paramedic in both private companies and for multiple counties. More recently, he moved into supervisory roles as a clinical care coordinator and as a field supervisor for a number of counties in Northern California. Currently, this expert serves as a sole proprietor at an investigation firm and as a prehospital care coordinator for a county in Northern California.

This expert has over 30-years of experience in law enforcement, primarily with the Drug Enforcement Administration. He has written three criminal justice textbooks. He currently serves as a Criminal Justice consultant and expert witness with extensive experience in litigation support.

This expert is a former United States Probation Officer for the Eastern District of California for over 25 years, where he was the Guideline Trainer to District Probation Officers, the Senior Sentencing Guideline Specialist, and a Graduate of the Leadership Development Program. Currently, he is a private consultant who has experience as an expert witness in federal court.