The History Channel paranormal expert was just 53 years old.

"Within minutes of deputies' arrival, he used the weapon on himself," local police reported.

Ancient Aliens' star David Wilcock died by suicide at age 53 following a standoff with Boulder, Colorado, police on April 20, ...

David Wilcock, star of Ancient Aliens, has passed away from an apparent suicide after a police standoff. He was 53 years old.

Ancient Aliens contributor David Wilcock passed away at 53 amid mental health struggles. Family confirms long battle with ...