Roger Leir
- Date of Birth: 1935-03-29
- Date of Death: 2014-03-14
- Place of Birth: San Francisco, California, USA
Biography
Roger Krevin Leir was an American podiatric surgeon and ufologist best known as an investigator of alleged alien implants. Leir wrote books such as The Aliens and the Scalpel, and appeared on various ... Roger Krevin Leir was an American podiatric surgeon and ufologist best known as an investigator of alleged alien implants. Leir wrote books such as The Aliens and the Scalpel, and appeared on various radio and television shows, including Coast to Coast AM, claiming he had discovered proof of "non-terrestrial experimentation on man".

Watchers 2: Signs in the Heavens and the Earth
Documentary • 2011 May

Watchers 1: UFOs are Real, Burgeoning, and Not Going Away
Documentary • 2010 November

Moment of Contact
Documentary • 2022 October

Watchers 7: Physical Evidence
Documentary • 2013 December

Watchers 5: Let Me In
Documentary • 2012 July

Watchers 3: Fingerprints of the Supernatural
Documentary • 2011 October

Watchers 6: The Secret Cosmic War
Documentary • 2013 March

Watchers 4: On the Edge
Documentary • 2012 July

The Scientific Study of Alien Implants - Part 1
• 2004 October

The Scientific Study of Alien Implants - Part 2
• 2025 July