them. they refused to apologize. investigators in pennsylvania say they have doubt about claims made by the confessed craigslist thrill killer. miranda barbour said she has killed more than 20 20 people in four states, luring many of her victims with ads on craigslist. but investigators say they have not been able to verify those claims. barbour and her husband have pleaded not guilty to charges they murdered a pennsylvania man in november. the florida man convicted of attempted murder in the so-called loud music trial insists he was the victim. even though he shot and killed a 17-year-old. newly-released jailhouse recordings, michael dunn compared himself to someone who was raped. here s abc s devin dwyer. reporter: days before going on trial for murder, dunn showed no remorse for the shots he fired into a car full of teenagers. i said, you re not going to kill me, you son of a [ bleep ], and i shot. reporter: newly released recordings to his fiancee. i m the [ bleep ] vic