Truth and Lies P.I. Services powerful web-based system, PST provides our clients 24/7 access to all information related to their cases. With PST's state-of-the-art technology users can view the status of open cases, view case updates, view all reports, view if a subpoena has been served and much, much more, all in a secure environment. Contact Truth and Lies P.I. Services to obtain your username and password.