Crime Scene Reconstruction Expert Witnesses
Crime scene reconstruction expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on crime scene reconstruction. The crime scene reconstruction expert witness listings on this page are typically from fields/areas of expertise such as: Law Enf & Criminal Justice and Police Practices & Procedures.
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Dr. Ken Lang
Homicide Detective (Ret.) – Police Practices
KEN LANG CONSULTING, LLC
Milligan, Tennessee
Police Practices & Procedures, Law Enf & Criminal Justice
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criminal investigation, crime scene analysis, crime scene reconstruction, use of force, death scene, homicide, murder, shootings, self defense, USCCA, NRA, rape, sex crimes, sex offense, sexual assault, violent crime, robbery, police practices, composite sketch
Dr. Ken Lang is a retired 25‑year law enforcement veteran and former homicide detective with extensive experience in violent‑crime investigations, police practices and procedures, and use‑of‑force analysis. He has conducted and supervised investigations involving homicides, rapes, robberies, and other major crimes, and he currently serves as an associate professor of criminology/criminal justice at Milligan University. Dr. Lang holds a Ph.D. in Criminal Justice and provides expert consultation and testimony in matters involving criminal investigations, police practices, use of force, officer involved shootings, evidence handling, and investigative failures.
Dr. Lang began his law enforcement career in 1989 with the Havre de Grace Police Department before joining the Baltimore County Police Department (BCoPD) in 1991, where he served for 23 years. His investigative career included 15 years assigned to violent‑crime investigations and 5 years investigating property crimes. His casewo...
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John T. Vance, Texas Ranger, Ret.
Police Practices Expert - Texas Ranger, Ret.
Cinco Peso Consulting Group, LLC
Sunset, Texas
Law Enf & Criminal Justice, Police Practices & Procedures
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Police Practices & Procedures, Use of Force Analysis, Deadly/Excessive Force, Active Shooter Response, Officer Involved Shooting, Death in Custody, Crime Scene Reconstruction, Shooting Reconstruction, Jail/Correctional Suicide, Police Tactics, Crisis/Hostage Negotiation, Correctional Policies & Procedures, School Security
I am currently commissioned as a (Master Certified) law enforcement officer by the Texas Department of Public Safety (DPS). In January of 2023, I retired from the Texas Department of Public Service after 28 years of service. The first 12 years were with the Texas Highway Patrol Division, and the last 16 years were with the Texas Ranger Division. Before starting my DPS career, I worked for five years with the Walker County Sheriff’s Office in Huntsville, Texas, as a commissioned correctional officer, jail shift supervisor, and commissioned patrol deputy.
From 1990 to 1992, I served as a Jailer in the Walker County Sheriff’s Office Jail Division in Huntsville, Texas. After becoming commissioned as a peace officer and starting my time as a patrol deputy, I maintained my Jailer commission and assisted in the jail when needed until I resigned in 1995 to attend the DPS academy. In that role, I was responsible for the direct supervision, care, and safety of inmates housed in the facili...