The First 48 Presents Critical Minutes

Three cases from "The First 48" that feature families enveloped in personal tragedies; in New Orleans, two cousins have a deadly fight; in Memphis, a young couple disappears; and in Dallas, a woman turns on her sister-in-law.

Three different approaches to suspect interviews; detectives sit down with friends and the suspect; the boyfriend of a missing woman is questioned with hopes of finding her alive; detectives change strategy to get their murder suspect to talk.

Three cases where things get out of control in a heated moment; a man's body is found burned after an argument with a friend; a man with cancer gets a ride home that ends in his murder; a man visiting his son is killed in a jealous rage.

Cases where forensics were key to solving homicides; detectives rely on fingerprints to solve a father's carjacking and murder; a slain woman's family finds justice through DNA; ballistics is the key to solving a man shot during a street fight.

When there are no witnesses, homicide detectives face an uphill climb to find the truth.

Cases driven by revenge and resentment; a man is executed in a parking lot after an altercation.

Three stories where a plan proves deadly for unwitting victims.

Detectives find a body in a trash can; a domestic dispute turns into a homicide investigation.

A look back at three cases where the victims were in the wrong place at the wrong time: a case of road rage, a stabbing and a car wash shooting.

In Memphis, a woman is dragged to her death in broad daylight; in Harris County, a young mother is found with her throat slashed; in Miami, an ongoing battle between two gangs feels impossible to curtail as the body count rises.

Rookie detectives lead their first investigations in three cases from "The First 48" archive; in Louisville, Ky., a rookie leans on video surveillance to find a convenience store killer.

In Tulsa, a woman is brutally attacked as payback for someone else; in Dallas, a barber is gunned down by someone who greets him as a friend; in Atlanta, a man sticks up for a friend and becomes the target.

In Dallas, a woman is killed in her home; in Memphis, an investigator needs to convince a witness to give up the triggerman in a shooting; in Dallas, a detective leans on his interrogation skills to solve the murder of a man shot in his doorway.

Cases where homicides were committed in the name of love; in Dallas, a couple is shot to death on their doorstep; in Louisville, a hearing-impaired man is stabbed in his doorway; in Tulsa, a woman's body is found in a trash can.

A look at what happens when people become obsessed with revenge; in Cleveland, a man is gunned down in broad daylight; in Harris County, a teenage girl is lured to her death by someone she considered a friend.

Three cases from "The First 48" that take place in the brutal underworld of illegal drugs; in Tulsa, a homeless dealer is ambushed on a dark trail; in Cincinnati, an elderly man is strangled in his apartment.

In Tulsa, a woman is shot just outside her home; in Birmingham, a mother of three is shot in front of her young children; in Charlotte, when a couple is suspected of stabbing a man in his car, detectives need to determine who is telling the truth.

Three cases from "The First 48" archive that explore how money can lead to deadly fallouts; in Harris County, a Navy veteran is killed after coming home to a burglary in progress; in Mobile, a mother vanishes on a trip to the casino.

Three cases in which homicide suspects go on the run; in New Orleans, it's all hands on deck for NOPD to find the two triggermen in a mass shooting on Bourbon Street; in Dallas, an escaped convict is suspected in a stabbing homicide.

For detectives, there are some cases that stay with them for their entire careers; in Charlotte, two men are brutally attacked with a hammer; in Dallas, a detective works his first triple homicide when three people are shot point-blank.