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.

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....

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

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.

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