so sergeant knutzen decided to employ a well-known police interview technique. he got tough, accusing. >> quite frankly, i think the story's a bunch of crap. i think the story's a bunch of crap that you and roger have come up with, okay? >> sorry you don't believe me. but -- >> i'm trying to. >> does it sound too rehearsed? or -- >> yeah. >> okay. >> i want them to say, i had nothing to do with this. you know? detective, you're crazy, i had nothing to do with this, that's what i wanted to hear. and it never came out. >> but listen to what did come out. >> is your husband capable of killing somebody? >> i wouldn't hope -- i mean, i wouldn't think he is. i wouldn't think that he's capable of killing his father. >> a search of roger and pam's home showed they appeared to be in financial trouble. detectives found collection notices and unsent mortgage coupons, suggesting at least that they were behind in their house payments. >> i know we're in a lot of debt. but we -- i, personally, would not have my father-in-law killed for his money. >> and yet, as roger told the