Which of the following is not true about the second red scare?

wisconsin senator joseph mccarthy was the most prominent accuser of suspected communists but later was shown to be lying about all the people he accused.

ethel and julius rosenberg were convicted of treason - selling the secrets of the atomic bomb to the ussr - but were not executed.

liberal, east-coast universities like harvard, came under suspicion as harboring communist sympathizers.

hollywood was a target of the house committee on un-american activities (huac) because of its reputation for being liberal, immoral, and because there were many foreign-born people working in the movies.