When an off-duty police officer happens upon a minor theft at a San Francisco lumberyard, he unwittingly jump-starts an investigation into the crimes of depraved serial killers: Leonard Lake and Charles Ng.

In the fall of 1994, an elementary school principal is found tied to a tree outside Oklahoma City, launching a nationwide manhunt for Franklin Delano Floyd and exposing a decades-long reign of terror and abuse.

While fighting a raging fire, firefighters discover a burnt-out sports utility vehicle with the charred remains of a missing man, igniting an investigation into a sinister scheme and exposing a deadly affair.

The investigation of a woman's death from a cocaine overdose casts suspicion on her husband.

A Texas park ranger pulls over a truck filled with marijuana and its passenger flees deep into the desert, unleashing a manhunt that unearths something far more sinister than detectives could have imagined.

When Air Force veteran Michael Giles disappears from the quiet suburb of Garland, Texas, the case soon transforms into a jigsaw puzzle of mistaken identity, fraud and murder.