theodore kaczynski. jeffrey dahmer.ach failed or ultimately pleaded guilty. >> we will file an appeal this week for him. we think involuntary based on state of mind. that will be one specific thing that will be attacked on appeal. >> reporter: tonight, the jurors who rejected ralph's defense say they will rest easy after a decision that was anything but. >> you look out. no matter what was being delivered there's a family on one side of the courtroom suffering. there's a family on the other side of the courtroom suffering. knowing end of the day your decision is not going to fix any of this for any of them. >> reporter: that may be true but perhaps it's some consolation for taya kyle the widow who posted that "god bless the jury" on facebook with a link to this pete working. ♪ >> reporter: saying "this song is me, it is chris, it is me. it is all the people who carry chris in the hearts he left behind." i'm ryan owens for "nightline" in stevenville, texas. >> so what do you think of the verdict? should the jury have tak

it turns out that theodore kaczynski was a genius. he went to a great deal of work and effort to make sure he did not leave a trail behind. or example, all of these bombs they were all handmade. gary mentioned something shiny like a chrome mail. it was probably something that was fashioned from chrome. he would start with the bombs. he would build them all from scratch. normally when we try to trace things back from a bomb scene forensically, we could not trace these things back to anything. he would take casings off of batteries so that you could not go back to the batch number and find out where battery was bought or something like that. it started with his bombs. he took sand paper and send it all of his devices carefully to make sure that when those bombs were placed in the mail, they did not had any of his finger prints on them. e-work loves when he was carefully putting his bombs together. in one instance, he actually went to the newsroom at the bus station in montana. he got down on the floor and gathered here from the floor of

photographs and evidence of that would have been used at the trial of the united states versus theodore kaczynski had the trial actually gone forward. tankthank you very much. [applause] [captioning performed by the national captioning institute which is responsible for its caption content and accuracy. visit ncicap.org] >> next to colorado for a monday impact of legalize marijuana use. a senate armed services hearing on national purity and global threats. >> this president's day on the c-span networks. starting at 10:00 a.m. eastern. >> to provide that proven leadership is our challenge in 1992 and that is why i proudly announce my candidacy for president of united states of america. >> a special resignation on presidential campaign announcements. from ronald reagan to barack obama. we will re-air these announcements later in the evening at 9:00 p.m.. on book tv, finalists for the book critic award. brian davis or his third and final all you on the history of slavery. then elizabeth colbert argues we are currentlybrian davis or undergoing a sixth mass extinction and this is undergoing now as a r