An Atlanta woman is found naked and strangled to death in an abandoned house; the investigation into the crime reveals more disturbing facts.
The New Orleans homicide team uses surveillance footage to gather evidence on a mass shooting on tourists and innocent bystanders in the French Quarter.
Detective David Quinn tracks a killer with a powerful weapon who is keeping the city of Atlanta gripped with fear.
An investigation into a street-corner execution reveals that the female victim's close friends may have been involved in the crime.
A crew of robbers guns down an Atlanta father; a detective working her first case suspects that she may be pursuing the wrong suspect.
A violent attack in a Tulsa, Okla., barbershop leaves an employee dead and numerous people wounded; the hunt begins for a killer with an AK-47 assault rifle.
The homicide department in Tulsa, Okla., suspects foul play in the case of a welder who disappeared under mysterious circumstances.
Police must wade through a web of secrets and lies when a man is found dead in his Tulsa, Okla., hotel room.
New Orleans police search for the killer of a hip-hop promoter; a night of drinking turns deadly at a Tulsa, Okla., senior center apartment.
A man is shot to death while visiting his son in Tulsa, Okla.; a home invasion in Atlanta that killed a teenager and wounded two others may have been a contract killing.
A Tennessee family is attacked by a vicious home intruder; a rookie detective and his veteran partner probe the case of a severed head found in the Florida Everglades.
Veteran homicide Lt. Rick Zimmerman recalls the case of a woman and two young boys who were tortured before being brutally murdered.
A young New Orleans mother is found shot and burned in the trunk of her car following a night out on the town.
The case of a young New Orleans mother who was ambushed at home and shot hinges on the eyewitness account of a 4-year-old girl.
A New Orleans father and his friends are ambushed while sitting in a parked car; a feud between households in an Atlanta apartment complex leads to the killing of a promising boxer.
An Atlanta man is gunned down in his home by an AK-47; the victim's wife holds a dark secret that could tear the family apart.
The target of a drive-by shooting in Tulsa, Okla., walks away from the attack, while his girlfriend is not so fortunate; police uncover a long-simmering feud as they hunt for the killer.
A Tulsa, Okla., detective hunts a family of elusive criminals after a former Marine is fatally shot while trying to recover his stolen bicycle.
A double killing on New Orleans' Bourbon Street leaves the city on edge; Tulsa, Okla., detectives believe that a shooting victim may have been lured into a trap.