A chilling newly released FBI memo reveals how a young informant who reported seeing a UFO “feared for her life” because others who’ve seen them “have died mysteriously” in the past. The anonymous woman told officials she met an alien creature in July 1967, who gave her secrets about extraterrestrial contact, according to the memo , which was unsealed Friday, along with dozens of other UFO-related FBI files . “She stated that in July 1967 she met with a being from another planet who assumed earthly form,” the memo, dated Oct. 10, 1967, declares. “He gave her certain information then was picked up and departed from earth.” An FBI memo from 1967 details how a young informant “feared for her life” after seeing a UFO. Department of War “She stated she then received messages from non-earthly sources,” the memo continues — listing specific times humans have encountered UFOs.…