(Ironically, historians such as Johanna Granville and Charles Gati argue that Russian archives show Nagy had been an informer or agent for the Soviet secret police, known as "Agent Volodya" during his time in Moscow in the 1930s. Others argue the documents are fake).Over 200,000 people attended the formal ceremony in Budapest's Heroes' Square.
Their ranks have been penetrated by informers and agent provocateurs for more than a century.
And even in the least violent times the Church hierarchy was thoroughly infiltrated by K.G.B. informers and agents.
He found that police and army officers allowed informers and agents to operate "without effective control and participate in terrorist crimes" and that more than 20 loyalist murders, including Finucane's, from the mid-1980s to early 1990s, could have been prevented.
But police States, with their networks of informers, double agents, and undercover infiltrators, survive as long as people are afraid and fall when they revolt, whereas military dictatorships, revolt or none, hang on as long as the army does, crumbling only when the army withdraws its support.
At this point, the informer owned the agent.
But others seem ambivalent, incompetent and adrift, like hapless wannabes looking for a cause that the informer or undercover agent skillfully helps them find.
He suspected that this man was not only an informer, but an agent provocateur, who had planted the old rifles at the hayshed.
Their film centres on the perennially interesting relationship between the spy or informer or undercover agent and the person in authority who controls them.
In July, an informer gave federal agents more than 150 pages of chat logs with exchanges between Mr. Spitler and Mr. Auernheimer.
He testified that an informer told federal agents that Mr. Menepta had belonged to an Islamic group in Norman and St . Louis whose leaders advocated terrorist acts and killing law enforcement agents.
