>> cameras are not allowed inside federal court. charles carlton, his wife, quietly crying one behind him, is sentenced to 20 years in prison. outside court, the bjorks leave for the last time. their sentence is for life. >> it's never going to be done. christian was -- he was a child. he's our flesh and blood. he's someone that was so important to us that we would have given our lives for him. and, you know, our job now is just to get the word out there to the rest of the people, so that no other families have to go through this kind of thing and to honor our son, to honor his memory. >> all the kids and young adults sitting in here today, please tell them this story. >> since their son, christian's death, the bjorks have become activists, getting out the word on the dangers of sympathetic