Episode: 6x01 | Airdate: Sep 8, 2019 (45 min)
A woman vanishes while driving on I-95 in Florida; her divorce leads police one way, then her body is found, suggesting a different more horrible path; another woman reads about the case and has a hunch she knows the killer.
Episode: 6x02 | Airdate: Sep 15, 2019 (45 min)
As the cases of a missing cheerleader and a roadside fire converge, police juggle numerous suspects and motives, then a cryptic surveillance video brings the investigation to a shocking conclusion.
Episode: 6x03 | Airdate: Sep 22, 2019 (44 min)
When a young woman vanishes from a New Mexico convenience store, two detectives discover tracks in the dirt that may lead to answers; after a second woman disappears, it's a race against time to stop a possible serial killer.
Episode: 6x04 | Airdate: Sep 29, 2019 (45 min)
Star student Brittney Gregory, 16, vanishes from Brick Township, N.J., in 2004; police launch an investigation that leads them into a world of dark secrets and dangerous players as they strive to solve her disappearance.
Episode: 6x05 | Airdate: Oct 6, 2019 (45 min)
Twenty-eight-year-old U.S. Army veteran Joey Fulgham is shot dead in his bed in May 2003; police have a lot of ground to cover with a large number of suspects, including Joey's wife, her jealous boyfriend and even her protective teenage brother.
Episode: 6x06 | Airdate: Oct 13, 2019 (45 min)
After an Arkansas outdoorsman disappears, authorities wade through accusations and rumors in their hunt for the missing man; as they zero in on a suspect and the body count rises, detectives rush to capture the killer before it's too late.
Episode: 6x07 | Airdate: Oct 20, 2019 (44 min)
After helping a friend fix his computer, 18-year-old tech prodigy Sam Poss takes off on foot and never returns home.
Episode: 6x08 | Airdate: Oct 27, 2019 (45 min)
In 2006, a young woman and her baby are found murdered at home; detectives discover a complicated romance, a revelation and evidence to make an arrest.
