Numbers of police agents had been discovered to be infiltrators inside the party .
发现不少警探人员已渗透到该党组织里。
Reports of " fifth columnists " and infiltrators among the ranks of the opposition forces are also adding to that atmosphere .
而关于反对派部队中存在渗透者和间谍的报导也增加了紧张气氛。
If initial indications are correct , most of those arrested on friday on terrorist charges are " homegrown " terrorists -- established residents of this country , not foreign infiltrators .
