On Tonight

The aftermath of Justin’s death hangs heavy over Voight and Lindsay as intelligence investigates a murder-arson case.

After the body of a college student and a backpack filled with deadly fentanyl wash up in the lake, intelligence is under pressure to uncover the source of the deadly drug operation.

A woman involved in virtual reality video games goes missing and her "avatar" or screen persona is at the root of the investigation.

A report of child abuse leads to a woman with multiple personalities and a complicated murder trial.

Mills pushes to learn the real story of his father’s death.

A firehouse rescue call leaves a lasting impression.

A suspicious house fire in Ohio sparks an investigation into a supposed suicide 24 years earlier.

When police are unable to identify a young murder victim, a dogged investigator employs the help of armchair detectives and new DNA technology to find her killer -- and her identity.

when Emory University sophomore Shannon Melendi goes missing, police are interviewing everyone in Shannon’s orbit.

Platt and her father become the targets of a brutal assailant.