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 radio and television shows, including Coast to Coast AM, claiming he had discovered proof of "non-terrestrial experimentation on man".

Known For

Moment of Contact

Self (archive footage)

The Day Before Disclosure

Himself

Watchers 5: Let Me In

Watchers 6: The Secret Cosmic War

Watchers 7: Physical Evidence

Self

Watchers 8: Cloak of Secrecy

Ancient Astronauts: The Gods from Planet X

Self - Host

Watchers 1: UFOs are Real, Burgeoning, and Not Going Away

Surgeon