FBI Explains Released 1950 UFO Memo

Memo to J. Edgar Hoover about three UFOs crashing in New Mexico most viewed file in FBI's "vault"

The Federal Bureau of Investigation has broken its silence on the most popular file in its digital vault.

The one-page memo, dated March 22, 1950, was addressed to FBI Director J. Edgar Hoover from Guy Hottel, then head of the FBI's Washington, D.C., field office. It relayed some information from an informant.