For filmmakers dedicated to the psychological – crime or horror genre, real-life massacres are always an endless source of inspiration for the most macabre yet impressive works.

Below, let’s look back at the works that once made viewers lose sleep because they were based on real, horrifying cases.

1. Scream (1996)

Famous slasher movie inspired by Daniel Harold Rolling also known as The Gainesville Butcher.

Scream successfully captured America’s obsession with the vision of a killer dressed in a Halloween spooky costume wielding a shiny knife.

2. Boys Don’t Cry (1999)

Brandon Teena is a young man with a rough childhood.

On December 31, 1993, Brandon and two friends were killed by two attackers in their home.

3. Monster (2003)

Female serial killer Aileen Wuornos once shook America by killing 7 people in just one year.

Charlize Theron’s performance as Aileen Wuornos was hailed by critic Roger Ebert as `one of the greatest performances in film history.`

4. Memories of Murder (2003)

Based on the first serial murder in Korean history, Memories of Murder by director Bong Joon-ho chills viewers with its horrifying, mysterious details.

Bong stuck closely to the truth, even withholding some of the actual details of the murders.

5. The Zodiac (2005)

The Zodiac Killer (also known as the Zodiac Killer) once spread fear throughout America in the 60s and 70s of the last century.

Many couples were shot to death, stabbed to death, and one victim was found with her head almost severed from her neck.

Based on the infamous details of the murder files, the film Zodiac starring Robert Downey Jr., Jake Gyllenhaal and Mark Ruffalo revolves around the investigative pressures of the police and press in their efforts to find the killer

6. Wolf Creek (2005)

The Australian horror film released in 2005 is known for its terrifying content, especially for people who love to travel.

In real life, serial killer Ivan Milat and murderer Bradley Murdoch specialized in stalking tourists exploring deserted locations in Australia, getting to know them and then killing them.

7. The Conjuring: The Devil Made Me Do It (2021)

Expected to be released this summer 2021, The Conjuring: The Devil Made Me Do It is the next work of the The Conjuring brand.

Previously, Johnson’s girlfriend’s younger brother, David, was believed to be possessed by demons.

Bringing details that intertwine history and fiction, The Conjuring: The Devil Made Me Do It promises to make the audience’s hair stand on end with horrifying demon possession scenes.

The Conjuring: The Devil Made Me Do It is expected to open in 2021 nationwide.