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When a Mother's Day killing horrifies a town, investigators discover the psychopath has struck before; realizing that any woman could be his next victim, predicting the killer's next move hinges on understanding what motivates a monster.
As Washington, DC burns, police realise they are hunting the most prolific arsonist in US 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 terrorises New York City while keeping cops guessing his identity; it falls to veteran NYPD detectives to outwit him.
A detective discovers that he knows a kidnapper personally and that getting the victim back alive now hinges on his relationship with a maniac.
Detectives track a predator who uses the great outdoors as both a hunting ground and a hiding place; the killer's knowledge of the wilderness gives him advantage, forcing investigators to dig deep into his psyche and rely on their training.