On Tonight

When a mysterious "angel of death" poisons a series of hospital victims with cyanide, Goren and Eames suspect a nurse, but when others fall dead outside the care facility, the investigators must widen their search.

After a deadly warehouse fire that left Olinsky's daughter fighting for her life, intelligence mobilizes to find the arsonist.

A hiker leads intelligence to a young woman being held captive in the woods outside Chicago.

A driver in rural Washington state comes across a young woman clinging to life - right in the middle of the road. Would she survive? And how did she get there?

Two decades after the murder of a woman police are led to a small, overlooked piece of evidence that points directly to the killer.

An Army reservist is accused of murdering his wife.

An explosive confrontation between Alicia and Glenn results from a multi-million dollar malicious prosecution lawsuit.

The team loses one of its own.

A woman is murdered at an exclusive club.