A devious mother-and-son team are linked to multiple murders across the US.

A young woman endures years of abuse at the hands of a California couple.

Two nurse's aides are accused of murdering five patients in Michigan.

A young couple goes on a murderous rampage in Georgia and Alabama.

A cattle scheme ends in murder for an elderly Missouri couple.

The FBI goes on a manhunt for a deadly couple terrorizing the Midwest.

A sadistic couple targets prostitutes and runaways in Los Angeles.

A couple goes on a deadly witch-hunt along the West Coast.

Two elderly women become the center of a greedy murder plot in Los Angeles.

California police follow the deadly trail of an ex-con and his girlfriend.

Police uncover a twisted tale of torture inside a California family's home.

Best friends go on a deadly rampage in Bellevue, Washington.

A pair of sadistic killers terrorize teen girls along the California coast.

Young lovers commit a series of robberies and murders across America.

A Pennsylvania woman is caught in the middle of a deadly love affair.

An Illinois couple's desire for a child leads to a brutal murder.