A newly promoted homicide detective, Catherine Jensen, tracks down a serial killer while attempting to come to terms with her past.

1. Pilot

Drama

Crime

Those Who Kill 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

Series 1

It takes a very particular kind of person to catch the serial killer

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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.

2. The Way Home

As the killer escalates, Catherine uses the investigation of the two victims to push Thomas to research her allegations further.

3. Rocking the Boat

Catherine is forced go to Ray 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 closesin on the killer.

4. Sunday

Thomas' decision to stop working on active cases causes Catherine to investigate his past, leading her to an unexpected family history.

5. Souvenirs

Reeling from Thomas' revelation about Marie, Catherine throws herself into investigating a family annihilator. Meanwhile, Thomas struggles with his past demons resurfacing.

6. Always After

As the killer invades another family, Catherine questions the cost of her vendetta. Thomas' profile causes Catherine to take on an unlikely role.

7. A Safe Place

Thomas obsesses over an ominous letter that puts his career and family in jeopardy, while Catherine attempts to put the past behind her after a sudden personal loss.

8. Insomnia

Thomas tries to keep Catherine under control after the death of her mother proves too difficult for her to handle. A sadistic killer continues to abduct couples.

9. Unteathered

After Catherine abandons Molbeck to be attacked by the killer, Thomas and Bisgaard struggle to keep her from going off the rails. Catherine and Thomas face their greatest foes.