I Used To Get Confessions, But…….

by Charles Humble, Founder, NITV Federal Services The most common refrain that students mention on their critique forms at the Annual Advanced Examiners/Re Certification Course conducted by the NITV Federal Services is that they realized they had been cutting corners...

Multi-Utterance Analysis

by Charles Humble, Founder, NITV Federal Services As many of you are aware that have attempted to utilize the CVSA for analysis of multi-utterances (unstructured interviews), it was fairly difficult.  I recall that early on in my career in voice stress analysis (1978)...

Pre-Employment CVSA Testing Protocols

By Cliff Payne  In law enforcement and government agencies no management function is more crucial than hiring the right person. Hiring the “wrong” person in the business world can result in loss of sales and customers, in police work the stakes are much higher...