Which American led a Series of raids during World War 1 that resulted in more than 500 foreign citizens being deported from the US?

The American who led a series of raids during World War I resulting in the deportation of over 500 foreign citizens was Attorney General A. Mitchell Palmer. These raids, known as the Palmer Raids, were conducted in 1919 and aimed at addressing fears of radical leftist movements, particularly anarchists and communists, amidst the Red Scare. The operation involved widespread arrests and deportations, often without proper legal procedures.