In 2009, the El Dorado Task Force, a joint federal and state law enforcement effort focused on money laundering and other financial crimes, built an air-tight case against nearly a dozen Con Edison employees for taking kickbacks from contractors that performed gas line and electrical work for Con Edison on construction projects in New York City and Westchester County.

FORBES: Is Wall Street Wrong About Con Edison? Probably.

As the dragnet entered its fourth day Sunday, the manhunt widened with the creation of a joint task force that brought together state and local law enforcement officials along with the FBI and the U.S. Marshals Service.

CNN: LAPD to review firing of ex-cop it's hunting

Previous hearings, including a joint congressional probe, have focused on the performance of the U.S. intelligence and law enforcement services, particularly the CIA and the FBI.

CNN: Attorneys general, CIA and FBI chiefs to testify