Did an Idaho nurse help dispose of a cellphone belonging to missing Colorado mom Kelsey Berreth? Krystal Lee of Twin Falls, Idaho, is reportedly being investigated in connection with Berreth's disappearance. Though authorities strongly believe she is dead, her body has not yet been found. Berreth's fiance, Patrick Frazee, is charged in her murder. Lee lives about 30 minutes from where the mother's cellphone last pinged, three days after she was last seen.