Detectives are suspicious that the sudden death of a Las Vegas casino mogul might not be an accident, but rather the evil doings of his girlfriend and her secret lover.

Following a fatal gas explosion in a picturesque residential community, a divorcee and her new lover find themselves at the center of a twisted conspiracy.

The murder of an estranged husband by a pipe bomb in 2000 is investigated.

When a generous multi-millionaire is found murdered, detectives uncover a mountain of family secrets, a history of sexual abuse and greedy young lovers in the center of it all.

A withdrawn teen uses online chatrooms as an escape from her abusive home and discovers an attraction to older men, but it's not long before the woman finds herself trapped in a deadly love triangle with a violent suitor.

A salesman and young hustler form a partnership in business and in romance. When a medical tragedy proves to be anything but natural police uncover a twisted tale of sex, deception and conspiracy.

The slaying of a teen in 2002 is investigated.

A murderous revenge plot in 1985 involves multiple victims.

The 2003 stabbing death of a mother is investigated.

A couple embark on a crime spree. The Season 7 opener.