they're like, do what you need to do. >> but cavanaugh didn't stop there. by summer 2011 when joseph was still missing, cavanaugh had sold joseph's business to an outside company. >> they weren't really looking to give me huge amounts of money, but they were like, we'll just come in, pay off whatever debts and things that the company has incurred and bring it current, and then you'll barely get paid any money. >> patrick was enraged when he found out. >> owned nothing of any part of any share of anything. >> we shared ownership from the beginning, starting the company 50-50. we basically had a little bit of a gentlemen's agreement. >> though the money trail led patrick straight to cavanaugh. he's maintained his alibi and his innocence. >> no involvement and no knowledge of who might have done it. i was in hawaii for over a month before he disappeared.