Welcome to Precision Simulations, the Nationally recognized leader in Forensic Analysis and Visualization. PSI has been in business since 1997, and as one of the oldest firms of its kind in the country. With over 1000 cases completed, PSI is a pioneer in the fields of Forensic Animation, 3D Laser Scanning and Crime & Accident Scene Documentation and Reconstruction technology. PSI services both the Private Litigation Sector and Law Enforcement.