Monsters can be found lurking behind any innocent smile and on any street corner in America. Never-before-seen-video footage stares straight into the eyes of these killers who hide in plain sight. Anyone can be a monster.

Two childhood friends go from high school dropouts to the most powerful drug kingpins in Miami in th...

In 2015, 23-year-old Josh Clayton vanished after attending an exclusive party on Tresco Island. Days...

Der Kommissar is a German television series about a group of detectives of the Munich homicide squad...

Gloria Sheppard is an intuitive LAPD homicide detective who juggles her demanding personal and profe...

Tōko Kisaragi is a detective in the Investigation 1 Section 11 of the Tokyo Metropolitan Police Depa...

Robert Durst, scion of NY's billionaire real-estate family, has been accused of three murders but ha...

When their 4-year-old son is murdered, a young couple fights a twisting and arduous battle trying to...

Former Federal prosecutor Sunny Hostin travels to the sites of America’s most perplexing cases, inte...

Rome, 1983. After leaving a music lesson, 15-year-old Emanuela Orlandi vanishes — embroiling the Vat...

When Detective Kat Donovan matches on a dating app with the fiancé who disappeared years before, she...

Experts examine some of the Victorian era's most extraordinary and gruesome killings, exploring thei...

In cases ripped from the headlines, police investigate serious and often deadly crimes, weighing the...

At a grisly murder scene sits a figurine made of chestnuts. From this creepy clue, two detectives hu...

Twelve years ago, several homicides caused a sensation in the city. The victims were all from the bo...

A five part Sky Original documentary series that will look into the unsolved case of Sophie Toscan d...

Philip Manshaus shot his stepsister Johanne before driving to the mosque to kill as many Muslims as ...

Witness the crime busting techniques and forensic science used by the FBI to break the most baffling...

The peacefulness of the Midsomer community is shattered by violent crimes, suspects are placed under...

After a harrowing home invasion and kidnapping in 2015, a couple is accused of staging the ordeal wh...

Summer of 1975, five people die on a farm in Paradas, Seville. Two years later, Onofre returns to hi...