

The Behavioral Science Unit's killer instincts move from theory into action when the FBI joins in a high-profile hunt for a serial child murderer.
Episodes

1. Episode 1
Aug 16, 2019 49m 7.9Amid sweeping changes at the BSU, Holden deals with severe repercussions from his close encounter with Ed Kemper.

2. Episode 2
Aug 16, 2019 47m 8.1To glean insight into the elusive BTK killer, Bill and Holden interview the Son of Sam, who makes a startling admission.

3. Episode 3
Aug 16, 2019 1h 1m 7.9Bill gets drawn into a horrifying crime that hits close to home. Holden receives an intriguing offer while in Atlanta to interview a pair of killers.

4. Episode 4
Aug 16, 2019 51m 7.6Holden develops a controversial profile in the Atlanta slayings. Wendy conducts her first interview and finds being on the front lines suits her well.

5. Episode 5
Aug 16, 2019 1h 12m 8.1Bill's devastating family situation spills over during his interview with Holden's holy-grail subject: Charles Manson. Wendy's new romance heats up.

6. Episode 6
Aug 16, 2019 59m 7.9The FBI officially sends the BSU to Atlanta to investigate the missing and murdered children. Wendy second-guesses her interview methods.

7. Episode 7
Aug 16, 2019 59m 7.8Hitting a dead end, Holden suggests a bold plan to draw the killer out. Bill's family faces more scrutiny. Wendy chafes as her job begins to shift.

8. Episode 8
Aug 16, 2019 54m 8.2Red tape hinders Holden's plan to narrow his suspect pool. A weary and heartsick Bill tries to connect with his son. Wendy rethinks her relationship.

9. Episode 9
Aug 16, 2019 1h 14m 8.3The investigation zeroes in on a prime suspect who proves surprisingly adept at manipulating a volatile situation to his advantage.