While the underlying premise of Communists in the government was true, many of McCarthy's targets were not complicit in espionage. Recent scholarship has established of 159 persons investigated between 1950 and 1952, there is substantial evidence nine had assisted Soviet espionage using evidence from Venona or other sources. Of the remainder, while not being directly complicit in espionage, many were considered security risks.<ref>[http://www.johnearlhaynes.org/page62.html Senator Joseph McCarthy’s Lists and Venona]</ref> | While the underlying premise of Communists in the government was true, many of McCarthy's targets were not complicit in espionage. Recent scholarship has established of 159 persons investigated between 1950 and 1952, there is substantial evidence nine had assisted Soviet espionage using evidence from Venona or other sources. Of the remainder, while not being directly complicit in espionage, many were considered security risks.<ref>[http://www.johnearlhaynes.org/page62.html Senator Joseph McCarthy’s Lists and Venona]</ref> |