The First 48, Who's Knocking; Payback

S15 E1 • 42m • HDTV14

A New Orleans detective hunts for the killer of a mother and her two children.

S15 E2 • 41m • HDTV14

A detective hunts for the killers of a recent graduate; a shooting victim is found by a highway.

S15 E3 • 41m • HDTV14

A Cleveland father is shot in the street; neighborhood residents refuse to talk about a killing.

S15 E4 • 41m • HDTV14

Cleveland police detectives search for the gunmen who killed a store clerk.

S15 E5 • 42m • HDTV14

A mother of five is found bound and executed in an empty lot in New Orleans.

S15 E6 • 43m • HDTV14

A Cleveland man is shot multiple times and left to die in an alley.

S15 E7 • 41m • HDTV14

A beloved Cleveland man is murdered in his own home; Dallas robbers kill one man and wound another.

S15 E8 • 41m • HDTV14

Video surveillance captures the killer of a young father; a mother of six is shot on her birthday.

S15 E9 • 43m • HDTV14

A worker at an all-night ice rink is killed; police seek evidence to charge two murder suspects.

S15 E10 • 42m • HDTV14

A young Dallas father is shot in front of his home; a Cleveland mother is strangled in her kitchen.

S15 E11 • 41m • HDTV14

New Orleans detectives discover a house of horrors during their investigation into a fatal slashing.

S15 E12 • 41m • HDTV14

A man is shot in front of his family in their home shortly before Christmas.

S15 E13 • 43m • HDTV14

A New Orleans man is shot in front of his grandmother's home.

S15 E14 • 43m • HDTV14

A drifter is the prime suspect in a stabbing death; a woman is murdered in her illegal game room.

S15 E15 • 43m • HDTV14

A New Orleans woman and her 4-year-old grandson are shot in her bedroom.

S15 E16 • 85m • HDTV14

Detectives from Tennessee, Minnesota and Florida recall the most challenging cases of their careers.

S15 E17 • 41m • HDTV14

A high school senior is shot to death and stuffed into the trunk of his car a week before Christmas.

S15 E18 • 43m • HDTV14

A New Orleans detective probes the case of a young mother who was beaten to death in her home.

S15 E19 • 43m • HDTV14

The alleged killer of a young mother makes a run for the Mexican border; a suicide raises doubts.

S15 E20 • 43m • HDTV14

An unidentified man is found dead in a field; a shooting victim is found in an abandoned apartment.

S15 E21 • 41m • HDTV14

A man is murdered outside a liquor store; an elderly man is beaten to death outside his Miami home.

S15 E22 • 41m • HDTV14

A 19-year-old man is gunned down in the street; a decomposed body is found in the woods.

S15 E23 • 41m • HDTV14

An Ohio grandmother is strangled; a Dallas man is shot to death while in the back of his car.

S15 E24 • 43m • HDTV14

Detectives probe the murders of a Dallas father and a deaf man who was stabbed in his doorway.

S15 E25 • 42m • HDTV14

A New Orleans detective investigates the disappearance of a married couple.

S15 E26 • 43m • HDTV14

A Miami man is shot in front of his ex-girlfriend's home; a man is found dead in a parking lot.

S15 E27 • 43m • HDTV14

Gunfire interrupts a children's football tournament; a Louisville, Ky., celebrity is gunned down.

S15 E28 • 41m • HDTV14

A stabbing victim is found in a Dallas apartment; a club night turns deadly for an unarmed Miami teen.

S15 E29 • 43m • HDTV14

Detectives investigate the murder of a man who received a call from a stranger.

S15 E30 • 43m • HDTV14

A man is killed during a gunfight in Kansas City, Mo.; a young mother is stabbed in her own bedroom.

S15 E31 • 41m • HDTV14

A Miami man is shot to death on the street; a Cincinnati teen is shot in the head while asleep.

S15 E32 • 41m • HDTV14

A man is fatally shot during an attempted carjacking; a mother is murdered during a home invasion.

S15 E33 • 41m • HDTV14

Police dig through a basement in search of a body; a brutal public attack leads to murder in Miami.

S15 E34 • 43m • HDTV14

A Miami man is shot in broad daylight; a Honduran immigrant is stabbed to death in Dallas.

S15 E35 • 41m • HDTV14

A Dallas man is shot in his sleep; a beloved Memphis, Tenn., "candy lady" is killed.