At least 12 confidential informants helped the FBI build a case against men accused of planning to kidnap Michigan’s governor, according to a new court filing. In the ongoing federal case against five defendants, the government has identified at least a dozen such sources by number, a lawyer for one of the defendants wrote in the document. The sources “were assisted by FBI agents working undercover,” Scott Graham, representing Kaleb Franks, said. “Kaleb is entitled to raise the alternative defense of entrapment. If a jury finds that Kaleb agreed with anyone to kidnap Governor Whitmer, the same jury could find that Kaleb was induced to participate by government agents,” Graham wrote in a motion to a federal judge hearing the case. “Kaleb is entitled to fully explore and present this defense. To do this, Kaleb needs access to the CHS files maintained by the government. These files are required by …