The mistress of Chris Watts said she had no idea what he was capable of until it was too late. “He’s a liar,” Nicole Kessinger told the Denver Post. “He lied about everything.” Kessinger came forward after much speculation about her identity. An arrest affidavit revealed Watts was having an affair with an unnamed woman around the time that his wife, who was 15 months pregnant, and two daughters went missing. Kessinger says they began a physical relationship a few weeks after they met at work.