In particular, Soviet citizens who volunteered information were no longer assumed to be "dangles" or plants (double agents) sent by the KGB, i.e., sent to infiltrate ('penetrate' in spy talk) the CIA.
Soviet citizens were no longer assumed to be "dangles" or plants (double agents) sent by the KGB, i.e., sent to infiltrate ('penetrate' in spy talk) the CIA. This was in particular. These Soviet citizens volunteered information.