After exiting an upscale Manhattan night club, 26-year-old Joey informs his crew he's going to an after-party with a handful of people he just met, never to be heard from again; his family and friends help the NYPD to solve this famous case.

On a bone-chilling January morning, when a 39-year-old day care owner goes missing, her fiance finds her wallet, keys and phone still in the house they share; the mystery deepens when the K9 unit searches the home but finds no trace of her.

At only 17, Catherine left hometown Ohio to come to New York with a dream of dancing on Broadway. Three short years later she is found viciously stabbed to death in her Manhattan apartment, inches from a critical hidden clue.

Criminology student Imette St. Guillen was dedicating her life to catching killers when she herself was caught by one while celebrating her birthday late at night at a bar in lower Manhattan.

Realtor to the stars Linda Stein is found bludgeoned to death in her apartment, but her larger-than-life personality meant Linda made enemies as well as admirers; with evidence from the crime scene, only painstaking sleuthing can identify her killer.

A single mother who is pregnant with her second child says goodnight to her 12-year-old daughter in their Brooklyn home at midnight; by morning, she is found dead miles away in the Hudson River of midtown Manhattan.

Millionaire banker and mother-of-two Shele Covlin had it all, until she fatally slipped and fell in her Upper West Side bathtub. But days after her burial, information emerges, and the NYPD realizes this may be no accident.

An indie film star is found dead in Greenwich Village, victim of an apparent suicide. As detectives discover one eerie clue after another, they realize things aren’t what they seem.

With 2,000 audience members watching a ballet at the world famous Metropolitan Opera House, orchestra violinist Helen takes a break and leaves her $20,000 violin on her chair, never to return.

Days before the New Millennium, a jailed informant calls the NYPD with a cryptic tip about a murder, sending detectives on a hunt through dozens of New York's high-rise buildings, in search of a crime scene - and a body.

Everyone in East Harlem knew Jason Adams, and are shocked when his body is found stabbed; detectives are stumped until a tip from an unexpected source points them toward the killer.

NYPD detectives are on the hunt for the killer who tortured and executed a beloved New York City public school teacher. They discover the victim is the son of a powerful businessman.

Two young women are sexually assaulted and strangled five years apart but connected by the same unknown DNA; after both cases turn cold, the New York Police Department and New York State Police combine forces 17 years later to find the killer.

A tight-knit Orthodox Jewish community is terrified when police respond to a mother's 911 call from her ransacked house to break down the locked bedroom door of her daughter, 18-year-old Aliza, to find Aliza naked and dead on the floor.

When the owner of a Brooklyn pizzeria is gunned down in broad daylight in his backyard, the news publishes mafia theories, and the FBI joins the NYPD to investigate.

After the brutal murder of a beloved Queens gay man, a community bands together while a detective goes undercover to catch the killers.

A mass shooting in Chelsea leaves one dead and three injured. The detective discovers this is the latest in an series of murders spanning multiple precincts. Investigators find themselves plunged into the underground world of New York’s bouncers.

NYPD detectives race to unravel the strange murder of one of their own before a devious killer slips out of the country.

When a Ukrainian immigrant goes missing in Brighton Beach, a team of law enforcement's best agents from the New York Police Department, U.S. Attorney's office and FBI team up to find out what happened.

When devoted girlfriends are murderously attacked in their Park Slope Brooklyn home, the NYPD doubts the surviving partner’s story. These suspicions outrage the LGBTQ community who demand the real killer be found.

When an aspiring writer and painter in the vibrant Soho art scene of the early '80s is found murdered just two days after her debut book is published, her devastated husband offers a critical clue.

When a retired cop is found shot to death on a subway train in Brooklyn, detectives soon discover that his death is linked to two other shootings in the previous thirteen hours. With the victims seemingly chosen at random, police worry that any New Yorker could become the next target. The pressure is on to track down the suspects before they strike again.

When a sibling dispute over money turns into a double murder, all of Brooklyn is on alert for the missing killer. But days turn into months and then years, as the NYPD manhunt turns into a national and international chase for the fugitive.

When the body of a young woman is found hidden in tall reeds in a quiet park blocks from her home, fear grips her Queens neighborhood. After months of ceaseless investigation, a clue from the past leads NYPD detectives to an unexpected killer.

Two young women come to New York with big city dreams. But a chance encounter triggers a sequence of events that shatters those dreams forever as detectives must piece together a series of puzzling clues to bring the killers to justice.