This document provides information on 20 notorious serial killers from the United States, Canada, England and South Korea. It includes their names, locations of their crimes, alternative names they were known by, number of victims and YouTube links to videos about each killer. Brief descriptions are provided for each killer along with the number of victims attributed to their crimes.

2. Albert Fish- USA known as; Hamilton Fish, werewolf of wisteria Hannibal Lector, Grace Budd, Albert Fish and more Watch - http://in.youtube.com/watch?v=Bwxuzh9sejY Victims-above 100

3. Ted Bundy –Florida USA Known as; Robert Bundy, Rapist, Serial Killer, Ted Buddy, and Ned Bundy Watch - http://in.youtube.com/watch?v=RkfIpMRfNzc Victims-36

4. Charles NG –California USA Watch - http://in.youtube.com/watch?v=7QgNxNrw72I Victims-25

5. Boston Strangler - Boston USA Watch - http://in.youtube.com/watch?v=sMvpn4T0Z8o Victims-13

6. Coral Eugene Watts –Texas USA Victims-80

7. Aileen Wuornos – Florida, USA Known As; Aileen Wuornos, Hitchhiker Serial Killer, Prostitute Watch - http://in.youtube.com/watch?v=yFBcjII3QAE&feature=related Victims-07

8. Gary Ridgway(Green River Killer)- Washington USA known as; Green River Killer, Gary Ridgway, Gary Ridgeway, Green River, River Killer , watch - http://in.youtube.com/watch?v=-WgUIrt1cyA Victims-90

9. BTK killer- Dennis Lynn Rader - Kansas USA also known as; Serial Killer, Dennis Rader, Rapist, Sicko watch - http://in.youtube.com/watch?v=MAZV7hHYC9o&feature=related Victims-10

10. Cary Stayner – California, USA known as :Yosemite killer, Serial Killer, Cary Stayner, Male Serial Killers, Murderer. Victims-04

11. Charles Manson –Ohio USA Watch - http://in.youtube.com/watch?v=5uhmtAmwnDQ Victims-10

12. Charles Starkweather and Caril Fugate - . Nebraska and Wyoming US Known As; Serial Killer, Charles Starkweather, Caril Fugate, Female Serial Killer, Male Serial Killer, Bonnie and Clyde, Natural Born Killers Watch - http://in.youtube.com/watch?v=XnoVp7f9-9I Victims-11

13. Cho Seung-Hui -Seoul, South Korean Watch - http://in.youtube.com/watch?v=7-mc4gekt_A Victims-32

14. Clifford Olson -Canada Victims-11

15. David Berkowitz –New York USA Known As; David Berkowitz famous serial killers, The Son of Sam, Berkowitz Son of Sam, Serial killer David Berkowitz Watch - http://in.youtube.com/watch?v=EqukVwhX-JA&feature=related Victims-13

16. Ed Gein -Wisconsin USA Known as The Butcher Of Plainfield Watch - http://in.youtube.com/watch?v=oVGv7BcqgVM Victims-05

17. Fred West and Rose West – England UK Known As; Serial Killers, Fred West and Rose West, Female Serial Killer, Male Serial Killer. Watch - http://in.youtube.com/watch?v=pctiCGCjxls Victims-12

18. Henry Lee Lucas- Virginia USA Watch - http://in.youtube.com/watch?v=myPfHsjfxFs Victims-11

19. (Hillside Stranglers) Angelo Buono Kenneth Bianchi- California USA Watch - http://in.youtube.com/watch?v=bsL6BpoKxWI Victims-11

20. Jeff Dahmer -Ohio, USA Known as; Jeff Dahmer, Jeffery Dahmer, Geoffery Dahmer, Watch - http://in.youtube.com/watch?v=N3szsOUF-o8 Victims-17

21. John Wayne Gacey- Illinois USA Watch - http://in.youtube.com/watch?v=jNW4pfeJLb8 Victims-not known

22. Karla Homolka- Ontario Canada Known As; Serial Killer, Karla Homolka, Female Serial Killers, Paul Bernardo's Wife. Watch - http://in.youtube.com/watch?v=YOozuuZ1HW4 Victims-not known

23. Richard Ramirez(Night Stalker)- California USA Watch - http://in.youtube.com/watch?v=saR_V76UfSo Victims-14

24. The Unabomber- Chicago USA also known as; Unabomber, Theodore Kacynski, Serial Killer, Mass Murderer, Terrorist Watch - http://in.youtube.com/watch?v=aLkgtIa41CM Victims-25

25. Tommy Lynn Sells- California USA Watch - http://in.youtube.com/watch?v=q3zBo_My9RU Victims-12

26. Thank You - Anil Kumar ISMC, Noida, India Email: anilkr123@gmail.com