If you are a victim or witness in a federal case and you are threatened or harassed because of your cooperation in the case, remedies are available. If a threat is made to you it should be reported to the appropriate law enforcement authority. If the situation is immediate call 911 for assistance. You should report threats or harassment to the federal investigative agent or agency with whom you have had prior contact. The investigative agency will evaluate the situation and discuss appropriate measures with you. It is important to report incidences of harassment or threats as soon as possible.