Three stories from The First 48 where a plan proved deadly for unwitting victims. In Dallas, a man is lured to his death in an abandoned apartment; a homeless man in Miami is brutally beaten with a rock; and a Tulsa woman’s plan to help her sister goes horribly wrong.

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 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.

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.

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.

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.

A look back at three First 48 cases where the victims were in the wrong place at the wrong time. In Tulsa, what appears to be a case of road rage turns out to be something else entirely. Then, a man is stabbed to death in his car and Tulsa detectives have a hard time believing his friend’s story of what happened. And investigators in Harris County must get to the bottom of a car wash shooting that leaves a man dead.

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.

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 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.

Three cases from The First 48 that were driven by revenge and resentment. In Mobile, a man is executed in a parking lot months after an altercation; in Harris County, TX, pressing charges in an attempted robbery leads to a man’s brutal murder; and in Tulsa, a gang member goes on the hunt after being called a name.

Three stories from The First 48 where a plan proved deadly for unwitting victims. In Dallas, a man is lured to his death in an abandoned apartment; a homeless man in Miami is brutally beaten with a rock; and a Tulsa woman’s plan to help her sister goes horribly wrong.

Examines three cases where homicides were committed in the name of love. First, in Dallas, a couple is shot to death on their doorstep, and detectives have to track down the killer as he goes on a multi-state crime spree. Then, in Louisville, a hearing-impaired man is stabbed in his doorway. And finally in Tulsa, a woman's body is found in a trash can. Can her death be linked to the murder of her fiance the year before?

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.

A look back at three cases from The First 48 where forensics played a pivotal role in solving homicides. In Harris County, detectives rely on fingerprints to solve a father's carjacking and murder. In Charlotte, NC, a slain woman's family finds justice through DNA; and in Minneapolis, ballistics is the key to solving a man shot during a street fight.

Three different approaches to suspect interviews are featured from The First 48. First, detectives in Cleveland sit down with friends and the suspect in the murder of a young mother, then the boyfriend of a missing woman is questioned in Harris County with hopes of finding the woman alive, and detectives in Memphis change strategy in an effort to get their murder suspect to talk.

When there are no witnesses, homicide detectives face an uphill climb to find the truth. First, detectives in Cincinnati come across a bizarre homicide at an apartment fire. Then, in Memphis, solving a preacher’s murder hinges on a single fingerprint. And a Tulsa woman found dead leaves police a clue that might solve her own murder.

Veteran homicide detectives search for answers after a woman is killed in her Dallas home, a reluctant witness weighs whether to name the shooter in a homicide case in Memphis and a man gets shot in his own doorway in Dallas.

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.

Three cases from The First 48 where things get out of control in a heated moment. In Birmingham, a man's body is found burned after an argument with a friend; in New Orleans, a man with cancer gets a ride home that ends in his murder; and in Tulsa, a man visiting his son is killed in a jealous rage.