Season 4

A young mother is found murdered in her home; detectives suspect her fiancé or ex-husband.

After a house fire is deemed intentional, detectives believe a close family member lit the match.

A man is found dead in his backyard; the investigation leads to a woman he welcomed into his home.

A Florida man is reported missing and detectives are investigating his roommate.

Detectives uncover a sinister murder plot masterminded by someone within their inner circle.

A man is stabbed to death; detectives discover a sex worker who may have wanted him silenced.

Detectives hope a woman can identify her attacker as she fights for her life after being shot.

After a young father is strangled to death, authorities must track down a group of friends.

A young woman is found murdered and an elderly couple is reported missing.

A beloved father is shot to death at home; detectives unravel a plot devised by his inner circle.

In Northern California, a young woman goes missing after a night out on the town.

When an aspiring musician goes missing, police turn their attention to his roommates.