“Collision” – Colter heads to Willow Creek, Mich., after a worried mother hires him to track down her beauty queen daughter, Riley, who vanished while driving home from work. While investigating at the garden center where Riley works, Colter looks into her modeling past and uncovers that she was hiding a major secret, on the CBS Original series TRACKER, Sunday, April 27 (8:00-9:00 PM, ET/PT) on the CBS Television Network and streaming on Paramount+ (live and on demand for Paramount+ with SHOWTIME subscribers, or on demand for Paramount+ Essential subscribers the day after the episode airs)*.