Zach Hughes

…Tell us about Zach. This was crazy. Defendants take the stand all the time, but you don't expect a defendant to take the stand who's pleaded not guilty and confess sitting on the stand. And so he gets up there and he tells the jury exactly what he did, literally detail by detail. how he rides a bicycle, he shows up with flowers to trick her to open the doo…

…and then accuses her ex-boyfriend of offering him money to do it, something Mello denies. Well, Hughes says he did it to protect Christina's daughter, whom he alleges was being abused. This is truly an unbelievable story of twists and turns. And joining me today to share some of the details about this strange case is my friend and colleague and ABC senior…

…And then there's a bizarre twist. Rose petals scattered all around her. Well, police zero in on a suspect, Juilliard-trained pianist Zach Hughes, who's a friend of Christina's ex-boyfriend, John Mello. And when Hughes goes to trial, there is a shocking development. He confesses on the stand to killing Christina.…