Season 3

In a game of cat and mouse, colleagues discover dark secrets behind the man who thrived on the chaos of igniting the fires he was supposed to be fighting.

A string of horrifying fires plagues California in the Eighties and Nineties, one of them fatally trapping four people inside. Are these raging infernos accidental or is someone setting them deliberately?

For many years, the Iceman--Richard Kuklinski--had literally gotten away with murder, but now investigators were on to him.

He was a family man, living in a New Jersey suburb with his wife and three kids. But unbeknownst to his neighbors, Richard Kuklinski held a dark secret: he was the "Iceman"--a cold-blooded killer who was part-time mob hitman for hire, and full-time psychopath.

With a string of murders already behind him, Rodney Alcala appears on the TV show, "The Dating Game" where he wins the prize: a date.

In 1968, an 8-year-old girl is abducted, raped and left for dead.

Para psychologists and psychics descend on the house to investigate who murdered the DeFeo family and why.

It was the crime that inspired the legend of the Amityville horror. In November 1974, six members of the DeFeo family were found murdered inside their beautiful seaside home.

For years, The Butcher Baker serial killer was hiding in plain sight.

The Butcher Baker was one of the most prolific rapists and serial killers in Alaska's history.

For decades the notorious Golden State Killer escaped capture.

For more than forty-four years, the Golden State Killer invaded homes, tortured and terrorized families, committing fifty brutal rapes, and thirteen vicious murders.