FBI Memo Did Aliens Land At Roswell

According to a story published by various news outlets including Yahoo News a controversial (and official) 1950s FBI memo alleges aliens did land in New Mexico.

The memo was published on "The Vault," an FBI blog that shows documents from the Bureau's past. The memo was written by Guy Hottel, the special agent in charge of the Washington field office in 1950, and was addressed to J. Edgar Hoover.