missing. >> there's enough circumstantial evidence to believe that he was involved if not in the murder, but definitely in the complicity to cover it up. >> reporter: the only thing that dave mcmannis was guilty of, said bross was being a sarcastic guy. >> the majority of the statements that were made were sarcasm at best. so if he's guilty -- >> it's a claim. yeah. and that's kind of an easy out for saying terrible things, isn't it? >> well, it was inappropriate statements, if said at all. david is known to be a jokester and sarcastic. even during the course of the trial, he would say things that were sarcastic. >> reporter: the trials, two of them, dragged on for more than 15 months with delay after delay in a case that had taken more than 15 years to get to this point. sharon and keith's marriage didn't make it that long. they're separated now, but they attended both trials together. >> we started this together, we're gonna finish it together, no matter what.