In Memphis, the tragic murder of 6 people in the same house on Lester Street tears a family apart. In Tulsa, the strange disappearance of a former Navy vet finally provides answers after almost 2 years. And in Atlanta, the brutal shooting of a young engaged couple on the side of the road haunts investigators.

In Tulsa, a key witness denies knowing anything about a brutal homicide until confronted with evidence that proves otherwise. In Dallas, a suspect shocks detectives with a confession they didn't see coming. In Atlanta, Detective Quinn has an uphill battle in the interview room with a suspect who appears to be targeting and killing homeless people.

A confrontation turns deadly in Memphis, Tenn.; in Cincinnati, a single mother is torn between work and home; in Tulsa, Okla., a family dispute takes a dark turn; in Atlanta, an interrogation room interview turns emotional.

The gruesome rape and murder of two women in an abandoned house haunts investigators; detectives work to identify the suspects who drowned a local couple; a woman who was burned alive fights to survive so she can identify her assailants.

In New Orleans, a robbery takes a rookie months to unravel; in Phoenix a first time detective with only one clue traces a random fender bender that sparks a horrible turn of events; in Atlanta the new guy tracks the suspects in a drug deal.

In Tulsa, a shooting in a motel parking lot leads investigators to undertake an undercover operation to capture the suspect; in Tulsa, the investigation into the shooting of a former Marine leads to a dangerous car chase and apprehension.

Looks back at three cases that erupted in the heat of the moment. In Kansas City, a confrontation with a baseball bat escalates to murder. Then, in Harris County, a man's Easter visit with his ex-wife turns deadly. And in Atlanta, a mother watches in horror as her family is destroyed in a flash of violence.

Three of The First 48's most memorable cases featuring surveillance video are highlighted: in Cleveland, Ohio a robbery leaves an innocent man dead at the shop where he worked; in Dallas, an encounter on an elevator seals the shocking fate of a woman heading home for the day; and in Memphis, revenge is served in video surveillance that tells a misleading story.

A beloved barber is caught in the crossfire of a long-standing gang rivalry; a young man returns home during his lunch break and is killed by an armed burglar; an old woman opens her home to a man searching for his lost dog and pays a deadly price.

In Tulsa, multiple cameras help crack open a case; in Atlanta, a key witness provides a crucial lead after seeing surveillance footage of the suspect on the news.

In New Orleans, a night out ends with a deadly morning after a random encounter; in Tulsa, an argument over a cellphone escalates into a double homicide; in Birmingham, a breakup goes very wrong in a public park.

In Kansas City, detectives discover two women in an abandoned garage; in Dallas, investigators use a surprising clue to bring their killers to justice; in Miami, one marina is linked to two murders that share a shocking connection.

In New Orleans, close friends fight over money and one of them ends up dead; in Florida's Broward County, an elderly man makes a fatal mistake with some new friends; in Dallas, childhood friends have a wild night that ends in tragedy.

In Tucson, Ariz., a homeless woman is brutally gutted under a highway underpass; the suspect's motive haunts investigators; in Tulsa, Okla., the shooting of a man sets off a chain of events unlike anything Tulsa Homicide has ever seen.

In Memphis, Tenn., a man is killed when he tries to break up a fight; in Miami, a well-intended kid is shot at a nightclub; in Tulsa, Okla., a young woman loses her life for something she had nothing to do with.

This episode looks back at three cases that stayed with detectives. In Dallas, a man is dismembered and burned and dumped in a lake. Then, in Tulsa, two kids find their mother dead in her car. And in Dallas, two friends are found burned in a car.

Three cases are highlighted from The First 48 archive that feature stories with Women Detectives. In Atlanta, Detective Summer Benton investigates a deadly dispute between roommates; in Rochester, Investigator Terry Dearcop breaks open the case of a husband's murder; and in Birmingham, Detective Cynthia Morrow must sort through varying versions of how a drug deal went bad.

In Atlanta, Detective Summer Benton investigates a deadly dispute between roommates; in Rochester, Investigator Terry Dearcop breaks open the case of a husband's murder; and in Birmingham, Detective Cynthia Morrow must sort through varying versions of how a drug deal went bad.

In Miami, a Thanksgiving interrogation takes a surprising turn; in Tulsa, an argument among a group of friends becomes violent and none of their stories match up; and in Dallas, childhood buddies turn on each other and the truth eventually is revealed.

In Cleveland, a family is torn apart when a beloved uncle is killed by his own flesh and blood. Then, in Tulsa, when a young man disappears and is believed to be dead, detectives face a family's code of silence. And in Mobile, Detective Rogers is shocked when he arrives at a crime scene to find one of his own relatives is the victim.