It was the response 51-year-old Susan Avalon gave police when they approached her about the shooting death of her ex-husband that made them realize they had a much bigger case on their hands. Avalon responded “Which one?” That's when police did a welfare check on ex-husband number 2 and found him, also shot dead in his home. Amy and T.J. go over the bizarre details in this developing story, including what investigators say is the motive behind the murders.