neighbor lauren giddins. >> he admitted that he came into her apartment in the middle of the night, and that he attacked her. >> steven said he's strangled lauren to death and then dismembered her body, but her torso in the trash bin of the apartment. the other remains in the law school dumpster. over the years, police and volunteers search for countless hours, even dug up a landfill. but never found anything. >> lauren's loved one including boyfriend david looked on as steven was sentenced to life in prison. he will be parole illegible in 2041. stephen, the da believed, had been planning to kill for a long time, and took pleasure in what he did to lauren. >> he was obsessive, his dream was to commit murder and to get away with it. >> and he almost succeeded.