Excerpt: " In 1930, it was Wobblies. In 1957, it was fellow-travelers. In 1971, it was insane telepaths. And, in 1973: "We don't know what it is," said Andrew J. Burris, Director of the FBI. He threw his hands in the air and looked baffled and confused."
Randall Garrett (December 16, 1927 – December 31, 1987) was an American science fiction and fantasy author. He was a contributor to Astounding and other science fiction magazines of the 1950s and 1960s. He instructed Robert Silverberg in the techniques of selling large quantities of action-adventure science fiction, and collaborated with him on two novels about men from Earth disrupting a peaceful agrarian civilization on an alien planet.