Brian Keane

The murder weapon in the killing of a teenage boy is linked to a case Voight worked on 17 years ago; the victim's father wants Area Central Homicide to take the case.

When The Machine issues the number of a hypnotherapist, the POI team discovers that he is more than just a master of the mind. Meanwhile, Carter tracks down an antiques dealer whose business is connected to the criminal HR organization.

Herrmann investigates the rise in missing fire hydrants and teams up with Kylie to track them down. Kidd’s cousin comes to town, revealing surprising family history. Violet and Novak treat the victim of a birthday cake smash gone awry.