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.

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...

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

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!

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.

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.

Jeffrey Dahmer's killing spree lasted from 1978 until 1991 - but his punishment was just months.

Even if Jeffrey Dahmer hadn’t admitted to the murder of 17 young men, there was plenty of evidence to prove otherwise - stacks of...

Jeffrey Dahmer is infamous for killing men and committing necrophilia - plus keeping body parts in fridges and taking disgusting photos

The serial killer's last wishes became public knowledge in 1995 when his dad, Lionel, went to court to stop his brain being dissected.

Jeffrey Dahmer's bruised and battered corpse was forever immortalised in pictures taken after he was bludgeoned to death.

The serial killer responsible for the murder and dismemberment of 17 men was surprisingly tall...

Dennis Nilsen and Jeffrey Dahmer are often called the British/American equivalents of one another.

The Co-Ed Killer is one of the biggest serial killers in history, towering over everyone he encountered.