walk us through what happened in court today. >> reporter: we heard jacob sullivan's words, tape recordings made after the murder of 14-year-old grace packer. police testified that sullivan told them he knew what he was helping the mother dismember and dump the body in the words this would not end well. the man you see here looks very different today. he's lost a lot of weight. he's clean shaven and his hair is cut short and kept away from other inmates in the jail. sullivan and his then girlfriend are accused of engaging in a rape murder fantasy. in july of 2016, the 14-year-old was the target of the fantasy. they brought her to an empty farmhouse on a hot day he punched her in the face. her wound was bleeding and she was crying. sullivan said of the beating, it was not to be mean. obviously it was mean. it was a weird fantasy kinda thing. he told police he performed a sex act on grace in the days before her killing. because although he and her adopted mother planned to murder her, he described the 14-year-old as a very sexual person and said when it came to the sexual assault and murder h