Friday

Serial killers are often twisted geniuses; so cunning that catching them seems almost impossible. But from jack the ripper to those who terrify us today, their bizarre behaviour is as specific as a signature. Sophisticated crime fighters map the psychological and physical terrain of multiple murderers.

Former Deputy Sheriff of Colbert, Georgia, Tracy Fortson shoots her boyfriend Douglas Benton as he sleeps, then abandons his body in a cement-filled trough in the woods.

Nicole Abusharif, 26, murders her partner Rebecca Klein for the insurance money, then leaves her body in the boot of her car for a night of drinking with her young lover, Rose.

Ramon and Lulu are living the American Dream, until one of them ends up in a shallow grave – and a man from their boxing gym is right in the middle of the murder plot.

In the late 1970s, the FBI had a working knowledge of anti-Castro terrorists operating in the United States. But then a new group appeared, more violent and aggressive than their predecessors.

In the late ‘70s and early ‘80s, a legitimate Puerto Rican independence movement took hold in the United States. But a splinter terrorist group known as the FALN was suspected of executing hundreds of bombings in major US cities.

In the early 1990’s Philadelphia became the scene of a bloody vendetta. The streets erupted in mob warfare. Authorities feared innocent people would be caught in the crossfire.

In the late 1980s the FBI matched wits with a cunning bank robber, a lone gunman responsible for the longest string of unsolved bank robberies in FBI history.

Tara receives a chilling text from an unknown sender, threatening to cause her harm, and she fights to protect herself from this unidentified adversary.