When a kingpin threatens New York City, a group of mutated turtle warriors must emerge from the shadows to protect their home.

Max and Sharpe wake up to a new, more personal dynamic. Iggy calls upon an old contact to help with an explosive situation at the hospital. Bloom begins a tricky…

Bill gets drawn into a horrifying crime that hits close to home. Holden receives an intriguing offer while in Atlanta to interview a pair of killers.

Amid sweeping changes at the BSU, Holden deals with severe repercussions from his close encounter with Ed Kemper.

To glean insight into the elusive BTK killer, Bill and Holden interview the Son of Sam, who makes a startling admission.