The First 48 Presents Critical Minutes

In Memphis, the murder of 6 people in the same house on Lester Street tears a family apart. In Tulsa, the disappearance of a Navy vet finally provides answers. In Atlanta, the shooting of a young engaged couple haunts investigators.

In Tulsa, a witness denies knowing about a homicide until confronted with evidence that proves otherwise. In Atlanta, Detective Quinn has an uphill battle in the interview room with a suspect who appears to be targeting and killing homeless people.

Four of The First 48's female homicide detectives are highlighted in four condensed stories.

In Atlanta, the gruesome rape and murder of two women in an abandoned house haunts investigators. In Harris County, TX, a woman who was burned alive fights to survive, so she can identify her assailants.

Three of The First 48's rookie homicide detectives are highlighted. In New Orleans a baffling robbery takes a rookie months to unravel, in Atlanta the new guy tracks the suspects in a deadly drug deal, and more.

In Tulsa, a shooting leads investigators to undertake an undercover operation. In Dallas, detectives take advantage of a love triangle to bring a suspect in. In Tulsa, an investigation into a shooting leads to a dangerous car chase and apprehension.

A look back at three cases that erupted in the heat of the moment including a confrontation with a baseball bat that escalates to murder, a man's Easter visit with his ex-wife that turns deadly, and more.

Three of The First 48's most memorable cases featuring surveillance video are highlighted.

In Tulsa a beloved barber is caught in the crossfire of a gang rivalry, in Atlanta, a young man is killed by an armed burglar on his lunch break, and more.

A look back at three cases that were solved because they were caught on camera.

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, 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 Broward County, Florida, an elderly man makes a fatal mistake with some new friends.

In Tucson, when a homeless woman is brutally gutted under a highway underpass, the suspect's motive haunts investigators.

In Memphis, a man is killed when he tries to break up a fight. In Miami, a well-intended kid is shot at a nightclub. And in Tulsa, a young woman loses her life.

In Dallas, a man is dismembered, burned and dumped in a lake. In Tulsa, two kids find their mother dead in her car. 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 Memphis, a street fight escalates into murder.

In Atlanta, Detective Summer Benton investigates a deadly dispute between roommates. In Rochester, Investigator Terry Dearcop breaks the case of a husband's murder. In Birmingham, Detective Cynthia Morrow determines 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. In Dallas, childhood buddies turn on each other and the truth eventually is revealed.

In Cleveland, a family is torn apart when an uncle is killed by his own flesh and blood. In Tulsa, detectives face a family's code of silence. In Mobile, a detective is shocked when he arrives at a crime scene to find his own relative is the victim.