On Tonight

A young, married business woman is found stabbed to death.

The city is under siege when a madman a la Jack the Ripper undertakes a killing spree.

The intelligence unit is tested.

Intelligence is thrown when an undercover job turns into a manhunt for two brothers. Voight is under scrutiny as Jin’s murder investigation transpires

In the hills above Los Angeles one summer night in 1969, a horrific crime scene is unleashed that no one can figure out.

When a woman's body is discovered at an Anaheim trash facility, a detective makes a promise to her mother to get justice.

A man gets a second chance for justice.

The CFO of a fraudulent Wall Street securities firm is killed, and the CEO enters a treatment facility before Nichols and Wheeler get chance to speak to him.

A doctor is murdered in his home while his wife is tied up in their bedroom, and the couple's reverend may know more than he is telling the detectives.

A charming con man targets a lonely, single mother to try to hit an armored truck carrying millions of dollars.