Top 10 Most Notorious Assassins

1. The Phantom of Paris - 1878 ( Estimated 20+ kills)

2. The Hound of the Baskervilles - 1888 (Estimated 10+ kills)

3. The Red Queen - 1917 (Estimated 15+ kills)

4. The Black Widow - 1922 (Estimated 12+ kills)

5. The Shadow King - 1935 (Estimated 8+ kills)

6. The Poisoned Rose - 1958 (Estimated 11+ kills)

7. The Ghost of the Kremlin - 1962 (Estimated 10+ kills)

8. The Phantom of the Opera House - 1974 (Estimated 9+ kills)

9. The Shadow in the Night - 1985 (Estimated 7+ kills)

10. The Night Stalker - 1995 (Estimated 6+ kills)

And many more... or so we're told.

Want to know more? Visit our Methodologies page or our Assassins page for more information.