Season 4

Two generations of a family endure the tragedy of big city gun violence.

Two murders on Long Island, New York, set off a multi-county manhunt.

The disappearance of a 21-year-old sparks a massive mobilization of law enforcement to delve into the world of digital forensics.

When 12-year-old Naomi Jones goes missing, her mother sounds the alarm, triggering a massive search effort. But when they discover her body a few miles from her home, a team of investigators sets out to find the heartless killer who took her life.

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A simple break in routine leads to the discovery of a murdered grandfather and a missing child. Investigators must contend with a devious killer who's taken pains to cover their tracks to unravel this tragic tale of lies and betrayal.

The mysterious disappearance of Bruce Blackwood becomes a dominant missing persons case until a veteran investigator and a young prosecutor team up on a mission to deliver justice. It's a tall order until a late night bombshell breaks the case wide open.

Callous killers gun down a young mother out on a stroll, and deceit masks their trail.