The first Red Scare continues: A. Mitchell Palmer, attorney general of the United states, appoints J. Edgar Hoover to be the first director of the General Intelligence Division within the Bureau of Investigation, of the Department of Justice. Hoover’s top priority to infiltrate alternative political groups and obtain their membership rosters.
[added 6/19/2022]
Subsequent Events:
References:
Palmer Raids – Wikipedia, the free encyclopedia
en.wikipedia.org/wiki/Palmer_raids