Follows Catherine Jensen, a recently promoted homicide detective who enlists the help of Thomas Schaeffer, a forensic psychologist, to track down serial killers and relentlessly seeks the truth behind the disappearance of her brother.
Those Who Kill (Season 1)

Pilot (Episode 1) 7.1
Writer: Stefan Jaworski
Air date: 2014-03-03
Runtime: 50 min
Overview: Detective Catherine Jensen teams with college professor Thomas Schaeffer to catch a serial killer. Both have troubled histories, and, although brilliant, their flaws may outweigh the positives as they try to track down the killer before he strikes again.

The Way Home (Episode 2) 7.7
Writer: Stefan Jaworski
Air date: 2014-03-10
Runtime: 43 min
Overview: While Catherine waits to be cleared for duty by the D.A.'s office, and Thomas secretly investigates Catherine's past, a brutal murder and a John Doe suicide are discovered.

Rocking the Boat (Episode 3) 7.7
Writer: Stefan Jaworski
Air date: 2014-03-30
Runtime: 44 min
Overview: As the killing escalates, Catherine uses the investigation of the two victims to push Thomas to research her allegations further.

Sunday (Episode 4) 7.7
Writer: Stefan Jaworski
Air date: 2014-04-06
Runtime: 44 min
Overview: Catherine is forced go to Howard for more information on the case, while Thomas has a real conversation with John about getting inside the minds of murderers. Using Thomas' narrowing profile, Catherine closes in on the killer.

Souvenirs (Episode 5) 8.0
Writer: Stefan Jaworski
Air date: 2014-04-13
Runtime: 44 min
Overview: Thomas' decision to stop working on active cases causes Catherine to investigate his past, leading her to an unexpected family history. Catherine takes Thomas to the scene of her childhood trauma where she finally reveals all the details that still haunt her.

Always After (Episode 6) 4.5
Writer: Stefan Jaworski
Air date: 2014-04-20
Runtime: 43 min
Overview: Catherine dives into a new case to distract herself from the revelation she heard from Thomas regarding her mother's knowledge. Meanwhile, Thomas ventures too deeply into the mind of a killer.

A Safe Place (Episode 7) 8.0
Air date: 2014-04-27
Runtime: 44 min
Overview: Catherine takes on a unlikely role when she looks at Thomas' profile and the killer strikes another family.

Insomnia (Episode 8) 8.0
Writer: Andrew Wilder
Air date: 2014-05-04
Runtime: 44 min
Overview: Thomas becomes obsessed about an ominous letter that puts his career and family in serious jeopardy. Catherine works to overcome a personal loss.

Untethered (Episode 9) 8.0
Writer: Andrew Wilder
Air date: 2014-05-11
Runtime: 43 min
Overview: As Catherine comes to terms with the death of her mother, Thomas struggles to keep her under his control. The killer who is abducting people, continues to abduct couples.

Surrender (Episode 10) 8.3
Air date: 2014-05-18
Runtime: 43 min
Overview: Thomas and Bisgaard try to keep Catherine calm after Molbeck is attacked; Catherine and Thomas face their greatest foes.

Seasons

Episodes 10