Another Mysterious Death: : Paranormal writer and UFO researcher who had over 500,000 subscribers on YouTube, David Wilcock, has died at the age of 53.

Boulder County, Colorado, authorities say Wilcock took his own life outside of a residence.

 

Authorities say Wilcock may have been "in the middle of a mental health crisis."

 

"Within minutes of their arrival, officials say the man used the weapon on himself... Investigators say deputies searched the home and surrounding property and found no one else," TMZ reported.

 

Just one day before he died, Wilcock signed off on a livestream on YouTube with the following clip.