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After a homeless man is shot and killed, Quinn and Velazquez assume it's a simple case; after reports come back matching the murder scene to other ongoing murder cases, the detectives realize they're on the trail of a serial killer.

ATL Homicide

Homeless Serial Killer

After immigrant Mamadou Berry is murdered, Quinn and Velazquez seek to find his killer; the yearlong investigation pits the detectives against the International Robbin Crew, a ruthless and deadly Atlanta gang.

Mamadou Berry

Longtime partners Quinn and Velazquez are chosen to solve the case of Apriel Allen, a woman who was murdered in her apartment two years prior; the detectives begin with a clean slate and hope to bring some peace to Allen's loved ones.

Apriel Allen

When Quinn and Velazquez investigate the shooting of Antwan Curry, they find a trail of blood leading away from the murder scene; they set out to find the injured person, not knowing if they're looking for another victim or the killer.

Antwan Curry

Cassandra Bryant, 38, is found naked and barely clinging to life; she dies in the ambulance before identifying her attacker, leaving Quinn and Velazquez to find her killer.

Cassandra Bryant

Neighborhood character Willie Bell is found naked and dead early in the morning; with nothing else to go on, Quinn and Velazquez discover that Willie was seen with two different women the night before he was found.

The Naked Man

Jerry Heard is found dead from gunshot wounds after flirting with two different women at the the local bar.

Ghosts of the Past

New mother Sparkle Rai, 21, is found strangled to death by her boyfriend who instantly becomes the prime suspect; David Quinn and Vince Velazquez uncover a surprising new suspect from Rai's past.

Forbidden Love

When U.S. Air Force veteran John Ray is found beaten and stabbed to death in his apartment, the crime scene looks like a random robbery; Quinn and Velazquez probe Ray's secretive life and discover that the murder was anything but random.

Murder on the DL

To trained eyes, it appears as though Shaquilla Weatherspoon's killers staged the crime scene to make it look like a robbery; knowing better, Detectives Quinn and Velazquez investigate those closest to Weatherspoon to find the truth.

Deadly Affairs

Quinn and Velazquez investigate a decades-old murder case after the skull of 11-year-old Alan Watson is found in a field.

Alan Watson

After single mother Tereon Grant is stabbed to death in the middle of the night, all signs point to her ex-boyfriend being the killer; then, Detectives Quinn and Velazquez dig deeper into the case, uncovering a dark secret that changes everything.

Tereon Grant

Veteran Atlanta homicide detectives David Quinn and Vince Velazquez investigate crimes, from high-profile murders to everyday "who-done-its."

S1 E12 | Homeless Serial Killer

E12 | Homeless Serial Killer

E11 | Mamadou Berry

E10 | Apriel Allen

E9 | Antwan Curry

E8 | Cassandra Bryant

E7 | The Naked Man

E6 | Ghosts of the Past

E5 | Forbidden Love

E4 | Murder on the DL

E3 | Deadly Affairs

E2 | Alan Watson

E1 | Tereon Grant