The taking of a U.S. citizen hostage or a ransom demand made against the U.S. Government, regardless of the victim’s citizenship, is a violation of U.S. federal law. The FBI, through their Crisis Negotiation Unit, is recognized as the official negotiation arm of the American government. Under the direction of the U.S. Ambassador, the FBI is the lead agency for Development and implementation of negotiation strategies; Conduct of investigations; and, Collection of evidence.