the money. >> so the investigators kept their eyes on the married couple, brian and denise, and bided their time. if either one of them was harboring a secret involving foul play, eventually it might have a corrosive effect on their relationship. >> well, they're not gonna turn on each other while they're married. but then you're waiting on things to flare up. >> and in 2012, seven years into their marriage, they did flare up. brian moved out. denise wanted a divorce, but brian managed to put it off for years. >> so the marriage was finished at that point? >> i would say so. >> in august 2016, brian did something that nearly ended very badly for denise. the wild episode started one morning as denise got in her car to go to work. hiding in the back seat, brian popped up, shoved a gun in her ribs and said drive. denise managed to pull into a shopping center parking lot where she talked brian into letting her go. she promised