Cheaters & Child Custody Cases: BILL WARNER INVESTIGATIONS 1789 DESOTO RD SARASOTA-941-926-1926. Posts BASED ON News Reports & Police Reports are my OPINION based on 20 years as a Private Eye as SEEN ON CNN, FOX NEWS, INSIDE EDITION & National News Sources. FL LIC A-9500364. BILL WARNER INVESTIGATIONS is a Florida based global research firm specializing in political violence, criminal profiling and terrorism since 1995. PI Bill Warner worked on support of terrorism cases with the FBI, ICE and the US Secret Service.