A criminal complaint said Goldberg began communicating online with an FBI informer in July and gave that person information on how to build a bomb using a pressure cooker, nails and rat poison.
Prosecutors denied that there was any evidence of another informer in those companies.
21 arrests that his wife once had been a paid CIA informer in Mexico City.
An informer in the Lava Jato investigation claims Cunha took $5m in kickbacks.
Any new inquiry has to look at the role of that informer in this scandal.
He began his career as an errand boy of the treasury office and an informer in the police administration.
The files said the intelligence agent, Col. Julio Roberto Alpirez, became a C.I.A. informer in the 1980's.
Mr. Badalamenti's close friend and associate, Tomasso Buscetta, a top-ranking Sicilian mob leader, became an informer in the case.
Mr. Moultrie was a prosecution informer in 2001 and 2004 but questions were raised about his credibility, Mr. Shargel said.
From that day on, Sherriffs served as a key informer in FBI Director J. Edgar Hoover's long-running surveillance of First Amendment activities at UC.
Federal officials say the related investigations in New York and Chicago have a key informer in common, Michael Raymond, a convicted swindler.
