american greg faull has had it with his neighbor john mcafee's pack of aggressive dogs, and he told friendso take care of the problem. >> greg had told him he was going to poison the dogs. >> reporter: then, one evening, some poisoned meat is thrown over mcafee's fence. all nine of his dogs are poisoned. >> gregory faull complained about mcafee's dogs, and shortly afterwards the dogs are poisoned >> reporter: the very next night, an intruder sneaks into faull's home, tasers him several times, and then shoots him in the head. >> no one had confronted mcafee and faull did. there's a linkage there. >> reporter: the house showed no sign of forced entry. nothing was taken from inside. >> he was brutally murdered and he had no enemies. >> reporter: but belizean journalist jose sanchez says his country is notorious as a place where just about anyone can get away with murder. >> unless there is an eyewitness to a crime, murder is rarely solved in belize. and that is the reason why there is a 3% average conviction rate. >> reporter: still, belize police quickly name mcafee as a person of interest in