Our Services
Expert Witness & Consulting Services for Attorneys
Marc Evans is a nationally recognized law enforcement expert in human trafficking, prostitution, and related criminal activity. Attorneys rely on his deep expertise, investigative experience, and courtroom credibility to strengthen cases and gain actionable insight.
Expert Testimony
Clear, authoritative courtroom testimony built on decades of investigative and undercover experience.
-
Nationally recognized as an expert witness in human trafficking and related crimes.
- Highly experienced in depositions, offering precise, confident, and well-supported expert responses.
-
Translates complex investigations into understandable, courtroom-ready testimony.
-
Experienced in both prosecution and defense support.
-
Testified in thousands of human trafficking, pimping, pandering, and prostitution cases.
Law Enforcement Leadership
High-level oversight of complex, multi-jurisdictional operations and investigative teams.
-
Retired Lieutenant and Officer-in-Charge, LAPD Human Trafficking Task Force.
-
Directed 40–60 undercover officers, sergeants, and detectives in high-risk operations.
-
Led federal, state, and international multi-jurisdictional investigations.
-
Developed policies, operational strategies, and task force protocols.
Investigative Mastery
Deep investigative insight gained from thousands of human trafficking and vice cases.
-
Conducted over 12,000 investigations resulting in 7,000 arrests.
-
Deep knowledge of undercover operations, surveillance, and in-call/out-call setups.
-
Expertise in analyzing gang involvement, recruitment networks, and commercial sexual exploitation.
-
Proficient in evaluating hotels, motels, escort services, and other commercial sites for trafficking activity.
Training & Professional Instruction
Extensive experience shaping professionals through education, instruction, and specialized training.
-
Trained over 7,000 law enforcement officers, first responders, educators, and medical professionals.
-
Delivered specialized workshops on human trafficking trends, online recruitment, and investigative methods.
-
Instructor at UCLA School of Law, LAPD Vice School, US Courts, FBI, and more.
-
Adjunct Professor at Saint Leo University and Antelope Valley College.
Thought Leadership & Public Recognition
A respected voice in human trafficking awareness, law enforcement practice, and criminal investigation trends.
-
Author of Selling the Daughters of America (2014).
-
Contributor to The Chief of Police magazine.
-
Featured in MSNBC Investigates, Vice TV, Fox News, and Los Angeles Daily News.
-
Recognized as a national authority on human trafficking investigations and prevention.
Trusted By
Providing Expert Testimony
How Marc Can Help You
Marc Evans serves as a nationally recognized human trafficking expert, providing legal teams with impartial, evidence-based testimony that clarifies complex investigative and law enforcement matters. His experience strengthens case strategy and helps attorneys communicate critical information clearly and effectively in court. By reviewing case files, evaluating investigative procedures, and interpreting evidence, Marc offers authoritative insight that highlights procedural integrity and operational decision-making. His guidance prepares attorneys for courtroom presentations and cross-examination, ensuring testimony is precise, objective, and credible. Every engagement is grounded in decades of investigative leadership, delivering the clarity and expertise necessary for high-stakes litigation.
Retain a Trusted Expert Witness for Your Case
Ensure clarity, credibility, and authoritative insight in court with Marc Evans’ decades of investigative and law enforcement experience.