Detectives take on a missing-person case that may turn out to be a homicide; a witness reports seeing the missing person being brutally beaten.
Detectives find the body of a 34-year-old man who appears to have been shot to death behind an abandoned building.
Two young men are found dead at an apartment complex in Indianapolis; high-caliber rifle casings litter the street.
A 58-year-old man is found dead in an open field on Mother's Day morning.
A 49-year-old man is brutally stabbed and left to die.
A late-night house party turns deadly when a 19-year-old man is shot on the street.
A 21-year-old man is gunned down during a shootout in a residential neighborhood.
Detectives in Little Rock, Ark., search for a serial robber whose crimes are becoming increasingly violent and have already claimed one life.
Two men are found fatally beaten in their bedrooms; detectives learn that the victims had been harassed for being gay.
A 15-year-old boy is shot to death on a neighborhood street.
A young man is gunned down in broad daylight in the parking lot of a local car wash.
A witness claims to have seen an older man gun down a young man and then speed away; detectives investigate the crime based on the witness's description and begin to realize they have been led astray.
Investigators race against time to identify a murder suspect.
Police find a body riddled with bullet holes when a van crashes in front of a house; fingerprints and witness testimony lead investigators deep into the victim's inner circle.
A young man is found dead on his front porch; the victim's girlfriend tells detectives that a visit by some friends turned violent.
Detectives respond to the scene of a family shooting; two adults and three children are found dead at the scene.
A young man is shot dead in his front yard in broad daylight; a store clerk appears have had knowledge of the shooting before it happened; investigators use ballistic analysis, cell records and surveillance tape to find the killer.
Four masked men invade a Cleveland home and rob the inhabitants at gunpoint; one of the intruders is shot to death; police try to determine if the man was shot by one of the homeowners, or by one of his accomplices.
Detective Shane Wait of Richmond, Va., investigates the murder of a victim found bound and stuffed in the trunk of a car.
Detectives in Ohio investigate the murder of a man whose body is found hidden between hedges and the porch of his grandmother's house.
A body is found riddled with bullets on a porch in a residential neighborhood; detectives use a 911 call to find the killer.
Detective Mocello responds to the scene of a suspicious fire and hunts for the victim's killer.
A body is found face up in an abandoned lot used to shoot off guns on Independence Day.
A missing person is found dead, 300 feet deep in a sewage drainpipe.
A family member's testimony provides key information in a case involving two brothers, one of whom died as a result of blunt trauma to the head.
Detectives investigate the stabbing of a young man in a convenience store.
Detective Baynes investigates the mysterious death of a man that had internal bleeding from a bullet wound.