The First 48 Presents Critical Minutes

In Memphis, the tragic murder of 6 people in the same house on Lester Street tears a family apart.

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 New Orleans a baffling robbery takes a rookie months to unravel. In Phoenix a first time detective with only one clue traces an accident that sparks a horrible turn of events.

In Tulsa, a shooting in a motel parking lot leads investigators to undertake an undercover operation to capture the suspect.

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.

In Cleveland, 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.

In Tulsa, a beloved barber is caught in the crossfire of a long-standing gang rivalry.

Looks back at three cases solved, because they were caught on camera. In Tulsa, multiple cameras help crack open a case.

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

In Kansas City, when detectives discovered two women in an abandoned garage, they had no idea how big the case would turn out to be. In Dallas, investigators used a surprising clue to bring their killers to justice.

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

In Tucson, when a homeless woman is brutally gutted under a highway underpass, the suspect's motive haunts investigators. In Tulsa, the shooting of a man in an apartment sets off a chain of events.

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.

In the heat of the moment, love turns to hate in Tulsa, where a man is shot while sitting in the front seat of his car. In Dallas, a seemingly minor disagreement spirals out of control and turns deadly.

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.

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.

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.