The federal Witness Security Program, known by the acronym WITSEC, provides witnesses and their families with protective services to ensure their health, safety, and securityبرنامه حفاظت از شاهد و خانواده اش در ایالات متحده امریکامنابع• https://en.wikipedia.org/wiki/United_States_Federal_Witness_Protection_Program+ عکس و لینک