Who was the reporter who exposed the illegal tactics used by Joseph McCarthy during the Red Scare of the 1950s?

The reporter who notably exposed the illegal tactics used by Senator Joseph McCarthy during the Red Scare was Edward R. Murrow. Through his television program "See It Now," Murrow critically examined McCarthy's methods and the impact of his anti-communist witch hunts. His broadcast helped to shift public opinion against McCarthy and played a significant role in diminishing his influence. Murrow's courageous journalism highlighted the dangers of unfounded accusations and the erosion of civil liberties.