Who was the attorney general who tried to fight communism during the red scare?

The attorney general who became prominently associated with fighting communism during the Red Scare was A. Mitchell Palmer. He served from 1919 to 1921 and is best known for orchestrating the Palmer Raids, which targeted suspected radicals and communists in the United States. His efforts were part of a broader campaign to root out perceived threats to national security during the post-World War I period.