The stories of serial killers are one of the most disturbing but yet interesting topics of all time.

Most of the following serial killers lived in the 20th century and all of them managed to get away with murders. Want to find out what these ruthless people did to their victims, continue to read the article.

1. The Zodiac Killer
The actual serial killer that the 2007 David Fincher movie is based on. It is known that the Zodiac killer killed 5 different people and injured 2 people between the 1960s and 1970s according to police records. The Zodiac killer claims to have killed 37 people in a letter he wrote to newspapers. It is believed that the Zodiac killer either got sent to prison for another crime or he is already dead. Only one of his cryptic letters has been able to be solved.

2. Jack the Ripper
Another serial killer that has ben glamourized by the media. This serial killer was thought to have been active between 1888-1891 in London. His signature style was to cut the victim's throats and rip out their guts, mostly prostitutes. It is highly likely that he had more victims. Don't let the name Jack the Ripper fool you. This ruthless murderer is known to cut his victim's genitalia, noses or ears from time to time.

3. The Phantom Killer
The murderer behind the Texarkana Moonlight Murders attacked 8 different people between February 22nd and May 3rd in 1946. The Phantom Killer managed to murder 5 of these people. Over 400 suspects were taken into custody at Texarkana, Texas. The murders were also told in 1974 and 2014 movies The Town That Dreaded Sundown.

4. The Cleveland Torso Murderer
The Cleveland Torso Murderer is believed to have murdered around 20 people between the years 1935 and 1938 in Cleveland. Twelve of these murders were proven and 8 of them are still unsolved. Only 2 of the murder victims could be identified. This could give you a rough idea of how brutal his murders were. The Torso Murderer cut off the heads of his victim and usually cut the other organs into pieces. Most of the time he castrated his male victims. David Fincher wanted to transform the story of this murderer into a movie. However, this project got canceled.

5. The West Mesa Bone Collector
The West Mesa Bone Collector was discovered upon a women's dog finding a piece of bone and informing the police about it. Eleven people who were reported missing between the year 2001 and 2005 were found in the same spot. The victims were women of Hispanic origin and they were aged between 15 and 32. It is believed that 11 victims was an optimistic guess.

6. Charlie Chop-off
Charlie Chop-off is responsible for murdering 5 people between the years 1972 and 1974. The serial killer is assumed to have tried to kill another victim but that one managed to survive the attack. Charlie Chop-off took this name after assaulting 8-9 year old's and cutting off their genitals. A person named Erno Soto claimed to be the real Charlie Charlie Chop-off. However, he was released since there was not enough evidence proving that he was the actual murderer.

7. The Atlanta Ripper
The murderer was responsible for killing 15 young African American women in 1911 in Atlanta. It is rumored that this number climbed up to 21. The person, or people, behind these murders is still unknown.

8. The Axeman of New Orleans
The serial killer who took the lives of 12 different people with an axe between the years 1918 and 1919. The Axeman usually sneaks into homes and attacks his victims from the back. The serial killer has an interesting story.

9. The Honolulu Strangler
Another serial killer, who was active between 1985 and 1986, in the Hawaii capital of Honolulu. The murderer killed 5 women and managed to get away with it. The Honolulu Strangler was known to rape and strangle his victims.

10. Jack The Stripper
The murderer who took the legacy of Jack the Ripper after 70 years. This killer was active between 1964-1965, murdering 6 prostitutes in London. It is also believed that Jack the Stripper also killed 2 people but these murders were not proven.