William J. Brennan, Jr., Killian v. United States — Dissent
“ The entire definition of membership was this:'Membership in the Communist Party, the same as membership in any other organization, constitutes the state of being one of those persons who belong to or comprise the Communist Party. It connotes a status of mutuality between the individual and the organization. That is to say, there must be present the desire on the part of the individual to belong to the Communist Party and a recognition by that Party that it considers him as a member.'All must agree that it is in the third sentence alone that the definition resides ”
