On Tonight

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

Steven Avery’s new attorney seeks more forensic testing in his case, insisting she will prove that he was framed for a crime he did not commit.

A couple in love – and a party bus clash during a pre-Halloween celebration. Who killed the “Hockey Player?

When an embezzling executive's wife and two daughters are kidnapped by a loan shark as collateral on a huge debt, Detectives Goren and Eames are frustrated by his lack of cooperation.

When the girlfriend of a married, high-profile judge is murdered, Detectives Goren and Eames can't link him to the slaying but instead find a ratty little ex-con -- with links to another rival judge -- as their most probable suspect.

When a bisexual woman is slain, Detectives Goren and Eames note similarities between an incarcerated serial killer's methods -- prompting them to suspect a mousy human-behavior researcher might have fallen under his spell and committed the copycat murder.

The squad again begin to investigate convicted serial killer Lucas Biggs.

A gang member is pushed from a rooftop in what appears to be retribution for a sexual assault.

Burgess works with her first criminal informant to track down a ruthless pimp and break up his prostitution ring.

Atwater goes missing and the team digs into his past to discover why he's been taken.