Get the Truth: Former CIA Officers Teach You How to Persuade Anyone to Tell All

Liespotting: Proven Techniques to Detect Deception

I, Spy: How to Be Your Own Private Investigator

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THE HATE TRAP: The Anatomy of a Forgotten Assassination

Introduction to Conducting Private Investigations: Private Investigator Entry Level (02E) (2022 Edition)

The Investigator’s Toolkit: Harnessing OSINT to Unmask Criminals

Evidence in Traffic Crash Investigation and Reconstruction: Identification, Interpretation and Analysis of Evidence, and the Traffic Crash Investigation and Reconstruction Process

Private Investigation and Security Science: A Scientific Approach

TRAFFIC CRASH INVESTIGATORS' MANUAL: A Levels 1 and 2 Reference, Training and Investigation Manual (3rd Ed.)

To Be a Crime Scene Investigator

RECIPE FOR LOVE: Tales of Caring Relationships

How to Undertake Surveillance & Reconnaissance: From a Civilian and Military Perspective

Essentials of Interrogation

Death of a Princess: The True Story Behind Diana's Tragic End

How to Open & Operate a Financially Successful Private Investigation Business

Ultimate Forensic Guide to AML KYC CFT: AML Un-Plugged

Find a Husband After 35: (Using What I Learned at Harvard Business School)

Police Investigation - Powers, Tactics and Techniques (Vol 1 and 2 combined) 4th Edition 2022: Police Procedural and Police Administration