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i just started sobbing. and i was, like, "oh my god. i feel like the man can never rest in peace, you know. >> reporter: in fact, the medical examiner exhumed tom's body twice to do additional testing. >> reporter: there wasn't just one exhumation in this case. there were two. why twice? >> well we were going to do whatever it took to get the evidence that we needed. >> reporter: meanwhile, gil was free his dental practice thriving. the public had no idea he was a murder suspect, but he did confide in his staff. >> and i remember him telling us that, you know, he was innocent and that we needed to just work hard to keep the, you know, the office opened. i knew the kind of person that he was. and it just wasn't possible that he would ever do anything of that nature. >> reporter: so gil's life moved on a year turned into two, then three -- >> it's been, you know, very