World's Most Evil Killers

By the age of nineteen, Polish schoolboy Karol Kot had killed two people. He tried to kill many more in arson and poison attempts and was executed at the age of twenty-one.

Diane Downs shot her three children, killing her seven-year-old daughter Cheryl and wounding her other two children.

Gary Ridgway, aka the Green River Killer, got away with mass murder across the Pacific Northwest for nearly twenty years. He was finally caught in 2001 and was convicted of 49 murders.

America’s most notorious serial killer Ted Bundy confessed to the murder of thirty young women across the US between 1974 and 1978. He was executed in 1989.

Colin Ireland made a New Year’s resolution in 1993 to become a serial killer and then murdered five gay men in London. In 2006, he got a whole life term.

In 1977, Angus Sinclair kidnapped, raped and murdered two seventeen-year-old girls after meeting them in a pub in Glasgow, Scotland.

Aileen Wuornos, one of America’s most prolific serial killers, murdered seven men in Florida by shooting them at point-blank range. She was eventually convicted and sentenced to death.

Robert Lee Yates Junior was a well-respected family man and war hero, but by night he was a cold-blooded serial killer. He was convicted of killing fourteen young women and one man.

Robert Black was a Scottish serial killer and pedophile who was convicted of the kidnap, rape, sexual assault and murder of four girls aged between five and eleven.

Mark Hobson killed four people in North Yorkshire, England in July 2004. Hobson committed his first two murders within six days of each other. He is currently serving a whole life sentence.

Bobby Joe Long is an American serial killer and rapist who terrorized the Tampa Bay Area in Florida during 1984. During his eight-month sadistic killing spree, he murdered ten women.

Robert Berdella was an American serial killer, known as The Kansas City Butcher, who was responsible for drugging, raping, torturing and murdering six young men.

In Cumbria, 2010 taxi driver Derek Bird took his gun and, in less than 24 hours, shot dead 12 people and injured 11 more.

Danny Rolling, known as the Gainesville Ripper, murdered five university students in Florida in 1990. Rolling also confessed to murdering a family in his hometown of Shreveport, Louisiana.

Twenty-one year old David Heiss, stabbed twenty-year old Matthew Pyke eighty-six times after he became infatuated with Matthew's girlfriend, Joanna.

Dennis Rader, known to the World as the BTK Killer, killed ten people, including young children, between 1974 and 1991 in Wichita, Kansas.

30-year-old Trevor Hardy, known as The Beast of Manchester, killed three teenage girls in a series of brutal attacks in the mid to late 1970s and was one of Britain’s longest-serving prisoners.

Christopher Halliwell strangled a twenty-year-old woman and evaded justice for eight years until his arrest for killing another young female. He finally got a whole life sentence in 2016.

Serial killer John Cooper, known as The Bullseye Killer, killed four people between 1983 and 1996. He was given four life sentences.

Vincent Tabak strangled his neighbor to death in her own flat in December 2010. In 2011, he was given a life sentence.