The FBI gave its informants permission to break the law at least 5,658 times in a single year, according to newly disclosed documents that show just how often the nation's top law enforcement agency enlists criminals to help it battle crime.
Crimes authorized by the FBI almost certainly make up a tiny fraction of the total number of offenses committed by informants for local, state and federal agencies each year. The FBI was responsible for only about 10% of the criminal cases prosecuted in federal court in 2011, and federal prosecutions are, in turn, vastly outnumbered by criminal cases filed by state and local authorities, who often rely on their own networks of sources.
"The million-dollar question is: How much crime is the government tolerating from its informants?" said Alexandra Natapoff, a professor at Loyola Law School Los Angeles who has studied such issues. "I'm sure that if we really...
