Before They Kill Again Episode Rating Graph

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

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

When a negotiator gets called to a hostage situation, he must determine how to talk the gunman into laying down his weapons before people die.

A copycat Zodiac killer terrorizes New York City for years while keeping cops at bay.

When investigators notice a pattern in the killings of multiple man in the outdoors, they realize a serial killer walks among them.

When a beloved grandmother vanishes in the dead of winter, and a ransom note is sent, a shocked detective discovers that he knows the kidnapper personally and that getting the victim back alive now hinges on his relationship with a maniac.