Ellen Schrecker
The institutions that most typified the McCarthy era were congressional investigating committees. They were also the most important vehicle for extending the anti-Communist crusade throughout the rest of society. Their activities and the publicity they generated transformed what had initially been a devastating but nonetheless narrowly focused attack on a small political party and its adherents into a wide-ranging campaign that touched almost every aspect of American life.
In many respects, the operations of these committees paralleled those of the executive branch. They publicized the dangers of the Communist threat, their hearings often producing the same scenarios as trials, with many of the same charges, witnesses, and defendants. But because congressional hearings were immune from the due process requirements that accompanied criminal prosecutions, the committees had more leeway to denounce and accuse. They came to specialize in punishing individuals by exposing their alleged Communist connections and costing them their jobs. So effective had the committees become that by the height of the McCarthy era, in the mid-1950s, people were often fired simply for receiving a subpoena from HUAC or one of the other committees.
Investigating committees served more partisan functions as well. Conservatives in and outside of the Republican party used them to attack the liberalism of the New Deal and the Truman administration. On the local level, the committees often functioned as hired guns for their allies within the anti-Communist network. Conveniently timed hearings, with their highly publicized and damaging charges of Communist affiliation, could target specific groups and individuals at crucial moments like strikes, union elections, or sessions of state legislatures. The committees also collected information and did research for the rest of the anti-Communist network. Their published reports