Truth & Deception Technologies Voice Stress Analysis DecepTech instrument accurately detects voice stress by use of validated protocols.

Digital Voice Stress Analysis Investigative Truth and Deception Instrument by the Diogenes Company. The Diogenes Digital Voice Stress Analysis instrument is the ...

Cops 'n Writers is a mystery writer's consulting service for writers who want to incorporate police procedures and police culture into their writings.

We are a full service international consulting and training firm specializing in forensic investigation techniques including forensic interviewing, criminal ...

ITALK - International Training Academy for Linguistics and Kinesics - Learn to assess personalities, mental defenses, improve rapport, evaluate verbal ...

COPNET is a collection of Law Enforcement Internet resources.