and moved to punta gorda. mike vogel and kirk mayo. >> i moved to florida and came down here to hunt and fish and play golf and go boating and go to the beach, and just relax. and that lasted a couple of months, got very bored. >> and so three bored ex-detectives put on badges to form the sheriff's very first official cold case unit and decided early on they would work on tara's case. prosecutor feinberg was finally optimistic, sort of. >> i always felt that this was a case that could be solved. if it had a new set of eyes, it had somebody that could put the case together, connect all of the dots. >> what requests did you make of them? >> we wanted to know more about every piece of evidence, we had to rule out every piece of dna in that house, so it was closing