A tenacious but troubled Washington, D.C. police detective investigates a serial killing spree that may or may not be connected to a case from his own past.

"Why would someone with all that success do something like this?" That is the question showrunner Stu Zicherman and team set out to tackle with the 10-episode FX limited series, which concluded ...

There are a few very critical moments....where he realizes that he does not play by the same rules as everybody else.' ...

Though DeFeo was believed to be a heavy drug user, famous paranormal investigators Ed and Lorraine Warren — who have since ...