. >> and prosecutor juan martinez's version of events she had carefully planned this murder of travisrter: the prosecutor says jodi attacked travis in the shower, stabbing him, slit his throat and finally shot him with the stolen gun. >> mr. alexander did not die calmly. he fought. >> reporter: when the defense began its case. >> ms. areas, you may come forward and take a seat please. >> reporter: in a shocking move, jodi took the stand and changed her story again. this time admitting she did kill travis. >> did you kill travis alexander on june 4, 2008? >> yes, i did. >> why? >> um, the simple answer is that he attacked me, and i defended myself. >> reporter: the defense argued travis was emotionally and physically abusive although there was no evidence to back that up. jodi's lawyers also argued he controlled her through sex, those salascious phone calls played in court. >> i'm going to tie you to a tree and [ bleep ]. >> oh, my god. that is so debasing, i love it. >> the sex tape was like a hand grenade. >> reporter: she testified they had sex but testified he attacked her after sh