as the two of them sat in his car watching purk's home been reduced to ash, purk kept talking, sayingrobably should not have been saying to a cop who already suspected this fire was arson . >> he was heavily in debt and made no bones about telling us that he had figured out of his house burned down he would only owe about $70,000 in debt. >> it's essentially him saying i'm not can hide anything. you're going to find out that i'm in debt. arson for insurance money? too early to say, but a real possibility. >> he videotaped everything in his house. he told us that, too in case there was ever a fire, and he just did it recently. >> is doing almost everything he can to make himself sound like a suspect. >> yes, exactly. >> what was mr. purk up to? the detective could not guess. he parked down the driveway well away from the burning home , the perk family van, cleaned up and ready for a road trip. according to scott, he and his son had been planning to visit family in north carolina. >> what drew our attention was what he had packed inside the van. >> i'm guessing it was not stuff you woul