In Atlanta, a decorated veteran and grandfather gets ambushed when he checks on a rental property.

A quick-money scam in Mobile, Ala., ends in a double murder; a rookie homicide detective takes the case personally.

In Tulsa, detectives struggle to find a lead when a beloved grandfather is gunned down in his own home.

In Mobile, a 21-year-old woman is shot dead in her hotel room by a mysterious visitor. When a 42-year-old music producer is found riddled with bullets in his Gwinnett County apartment, clues point toward a madman on a shooting spree.

In Atlanta, when a young father is found dead in his home by his girlfriend, detectives track down the killer and find things are not as they appear. In Tulsa, a teenager is fatally shot, sending the Tulsa team on a desperate search for the motive.

In Tulsa, a father of three is gunned down in front of his family during a deadly crime spree. Detectives race to track down his killer before anyone else gets hurt.

In Tulsa, OK, a homeless man is beaten and stabbed to death, leading detectives to witnesses that live under a bridge where he was discovered.

In Tulsa, detectives have little to go on when they find the naked body of an unknown homeless woman who was raped, strangled to death, and thrown into a dumpster.

A young woman is found dead behind an abandoned building in Mobile, AL and detectives need her boyfriend to help solve the case; A young father's murder case sends Atlanta detectives to the Pocono Mountains in search of his killers.

In Mobile, a beloved mother of four is killed when she can’t escape her past. And in Atlanta, a detective on his first crime scene must find out why two young friends were gunned down in broad daylight.

A shy mechanic is found shot dead far from home, outside a notorious apartment complex. Detective Max Ryden needs to discover what brought him there.

Detective Ronnie Leatherman returns to Tulsa homicide to investigate the death of a man who crashed his car in a shopping center.

In Tulsa, Okla., two brothers are shot down after checking on their night cleaning crew; detectives struggle to find a motive before the killer strikes again.

In Mobile, two young men are gunned down within the space of 12 hours, and clues point to a feud between rival cliques.

In Tulsa, a father is gunned down in a parking lot by a killer lying in wait. In Mobile, an elderly man dies from a suspicious fire in his apartment.

In Atlanta, a young man comes home for lunch and winds up murdered when he catches a brazen thief in the act. Then, in Tulsa, an ongoing feud between two gang members leads to a fateful encounter.

When a man is found shot dead in his driveway, an abandoned truck leads Tulsa Homicide to several potential suspects, but not everything is as it seems.

Mobile detectives investigate the murder of a young mother of two and unravel the deadly plot that took her life.

A young man is gunned down at a troubled apartment complex that comes under federal investigation after a rap video goes viral.

In Gwinnett County, GA, a man is gunned down in the early hours of the morning on his front lawn, the engine of his truck still running behind him. Rookie Detective, James Lawson has to unravel a tangled web of jealousy and betrayal in order to find his killer.

Tulsa Homicide responds when a father of three is gunned down at his job by suspects who end up in a standoff with police.

In Tulsa, when a homeless man is killed after getting run over in a parking lot, detectives work to track down the elusive driver.

In Tulsa, a teenager is shot dead, and detectives must uncover the truth among his roommates’ stories. In Mobile, a young man’s murder sets off a retaliatory shooting.

A young man is shot dead in front of his mother's house. Mobile detectives look to his friends and family to find his killer.

In Tulsa, detectives question whether a young woman's death was a tragic mistake or murder. In Mobile, the murder of a young father tests a bond between brothers.