stocks. they described disagreements, sometimes as heated. they said sharmon had a dislike for matt. tock's oldest son, steve. i think, in my head i went to it a little bit, just knowing that they hadn't gotten along real well. i had my own suspicions. keith morrison: so just two days after the murders detectives visited matt liver's former employer, asked about his personality, rumors that he had a temper. they put a watch on livers, went through his garbage too. this was at his house in lincoln, about 30 miles from the murder scene. and then on april 25, eight days after the bodies were discovered, they asked matt livers to come in and answer some questions. you're free to leave at any time. well, i'm here to cooperate with you gentlemen. keith morrison: and he was unerringly courteous, deferential even to the two detectives questioning him. said he had never been interviewed by police before. what do you think happened? i don't know. i don't know. i really don't have any idea. i'd like to know why. the who, what, when, where and how and why. you know, why would somebody to this to