>> jeffrey lamb was arrested and charged with first-degree murder. prosecutors believe jeff wanted out of his marriage. he often told friends that cathy was a poor housekeeper, but apparently jeff was no better. >> he called her dirty and yet his truck was filthy. i mean, he had more garbage in his truck than you would throw out in the street. i don't know if you would call him a hypocrite or something, but he didn't live a better lifestyle than his wife. >> the couple separated for a few years, but even after they reconciled, jeff continued to have affairs. cathy tolerated his infidelity, but she didn't like it. >> i felt very sorry for cathy. i felt very bad because i knew that she loved him very much and i thought that she would be very hurt over that. >> jeff was paying off a $20,000 fine for embezzlement, and a divorce would have left him with even less money to make those payments. >> jeff had a friend. he had told him that i'm not