

In use by over 2,500 local, state, federal and international agencies, as well as by US Military Special Operations and Intelligence units, the patented Computer Voice Stress Analyzer is non-invasive, cost-effective, and over 98% accurate.

Tibbetts Investigations conducts California POST pre-employment backgrounds for all public safety agencies for sworn and non- sworn positions. We follow California Government Code 9053(b), Background Investigation Criteria, focusing on the ten POST Background Dimensions.
Key components of our background investigations include: