Detective Beining News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> i didn't do that. >> reporter: bill would not have had to check on diane if, as kevin said, he was the one who killed her. and when the crime lab reported on the first items sent for dna testing, the results seemed to place bill directly at the crime scene. remember, diane died of asphyxiation. testing showed bill's dna profile on a sample taken from her neck. >> we were a very loving couple. we slept in the same bed together. yeah, my -- my dna should be on her. >> reporter: a reasonable explanation for a bad fact. but was it the truth? detective beining reached into

Head in hands outside the house. >> he looked so empty. when we got to my dad, he just -- he looked -- he looked like you just took the life right out of him. you took his life away again. and i just -- i broke down for him. i couldn't do anything but just reach out and hug him. >> reporter: with bill's story on the record, detective beining then talked to kevin to get his version of events. he said it started as just another sunday, with no hint of the tragedy to come. >> i was just kind of feeling a little off so i laid down on the couch, was watching the race and stuff. bill tapped me on th...

For his mother's murder is obvious. she was worth more dead than alive to his step-dad. >> let me hear your indictment for bill kyne for murder. kills your mother why? >> money. $750,000 could help him out a lot. >> reporter: detectives thought they had a plausible motive. now they combed through bill's 911 call and his lengthy interview on the day of the murder. not everything seemed to add up. reporter curtis krueger noticed something curious reported by the first deputy at the scene. >> the first responders arrived, and attempted to take a pulse of diane, and they found her body to be somew...