Before They Kill Again - Episode Guide

New Jersey detectives must hunt a serial rapist and murderer before he attacks again.

As Washington, DC burns, police realize they are hunting the most prolific arsonist in US history, and he has been getting away with it for decades.

A hostage negotiator must talk a gunman out of committing a third murder in a pharmacy.

During the 90s, a copycat Zodiac killer terrorizes New York City while keeping cops guessing his identity. It falls to veteran NYPD detectives to outwit him.

Sometimes, the only way to stop a madman before he kills again is to get inside the mind of a monster and think like he does. Cops go head-to-head with the most dangerous and deadly criminals in one-on-one battles of wits, only one of them will win.

A Wisconsin detective discovers that he knows a missing woman's kidnapper personally.