Joyce Flint insisted that her eldest son's brain to be donated to science in the hope of finding out what propelled him to depths of evil.

The Crime Through Time Museum is truly sick, and not for the faint of heart or people who are easily shocked.

The horrible true story of Carl Tanzler, a wrinkly old doctor who had a necrophile relationship with his DEAD 22-year-old patient.

The Abysses of Josef F is being touted as the Cellar Monster's autobiography - but is it worth your time and money? Read our honest review.

It's one of the most beloved (and iconic) British sitcoms of all time, but there's a sinister undertone to Gavin and Stacey... and it's...

The Branch Davidian cult leader was obsessed with the singer, and spoke of killing her before his death at Waco, Texas in 1993.

Karen Greenlee, a self-proclaimed 'morgue rat' stole a man's body from his grieving family and sped off with it in the back of a hearse.

John Wayne Gacy didn't want to leave this life without one final taste of the Colonel's blend of secret herbs and spices.

Netflix documentary The Hatchet Wielding Hitchhiker tells the story of Caleb Lawrence McGillvary - aka Kai.

Most men might be deterred if they knew you had killed three men (and roped them in to help hide the bodies)... but not Gary Stretch!

Fred West hung himself on January 1 1995, but his body wasn't disposed of until three months later.

For those who don't know, Ed Kemper hated his mum SO MUCH that he cut her head off and raped it, then put her vocal cords down the sink.

Jeffrey Dahmer killed and butchered men in the basement of his grandma's home. But did he kill her too?

After Edmund Kemper killed and decapitated his mother, he tore out her vocal cords and shoved them down the waste disposal.

Does Karen Matthews have star quality or is the great British public just obsessed with scumbags?

The teen tells Dr. Phil how he bludgeoned his mum to death with a sledgehammer as she slept... you won't be able to un-see this!

Japanese serial killer Tsutomu Miyazaki was a paedophile who murdered four little girls, with a fifth victim saved just moments from death.

Jeff Dahmer was sentenced to almost 1,000 years in prison but he only served a fraction of that after he was murdered by a fellow inmate....

When it comes to serial killers, there are few as truly vile as Albert Fish, an American paedophile who loved to drink urine, murder...

Jeffrey Dahmer was so obsessed with Star Wars baddie Emperor Palpatine that he wore yellow contact lenses when he went looking for victims.