. >> ken rickert is the company's general counsellor. >> i never heard him say it was an accident, i'many of that. he was -- he was just kind of matter of fact. >> diane's colleagues also thought tex seemed way too interested in how his financial situation would change now that diane was dead. >> and he asked a very strange question about did i know anything about social security, could he get any of diane's benefits. and i was shocked. >> tex's sister dixie says she was flabbergasted that anyone thought tex wasn't behaving appropriately. she says he was clearly devastated by diane's death. >> he cried all the time. i don't know why no one else has seen this. tears running down his face. he has never been the same since. imagine losing your loved one at your own hand, and that's what he had to face. >> in perhaps another effort to counteract the rumors and innuendo, tex decided on his own to take a lie detector test, administered by an examiner his attorneys hired. >> i think it is important to note that he passed with flying colors. >> diane, love you and we're going to miss you. >> b