Nathan continued, “Three months before killing his wife, the guy took out a high-interest loan to buy a life insurance policy for her. The payout was twenty million dollars in the event of her death.”

I felt a wave of nausea wash over me.

“And then there was the guy who strangled his wife after she threatened to leave him with nothing in the divorce. He kept her body in a freezer for six months, and whenever he felt like it, he’d take out a piece and cook it ...