On Tonight

A teenager is beaten after nude pictures of her are spread throughout her high school.

When a 2-year-old girl goes missing, her irresponsible young mother becomes the prime suspect.

Dawson begins a new chapter at Firehouse 51.

With a new candidate comes a new dynamic at the firehouse.

Tucker Reed shot uncle Shane Moore in Oregon, going from actor to killer. Was it an accident, self-defense or murder?

Rosemarie Essa dies after a minor automobile collision.

After a young woman is found murdered, her case eventually goes cold. Will her mother's search for answers bring justice?

When an alderman's wife is beaten to death, Upton shares her own dark past to elicit a confession.

Voight urges Halstead to remain impartial and follow the facts when the leader of a local mosque becomes the suspect in the bombing of an Army recruitment center.

CPD tries to take down a drug kingpin.