Duties performed include criminal investigations, execution of warrants, and other investigative operations. They also protect government officials, process seized assets of crime rings for investigative agencies, and relocate and arrange new identities for federal witnesses in the United States Federal Witness Protection Program, which is headed by the USMS. After Congress passed the Adam Walsh Act, the U.S. Marshals Service was chosen to head the new federal sex offender tracking and prosecution team.
Duties performed include criminal investigations execution of warrants and other investigative operations They also protect government officials process seized assets of crime rings for investigative agencies and relocate and arrange new identities for federal witnesses in the United States Federal Witness Protection Program which is headed by the USMS After Congress passed the Adam Walsh Act the US Marshals Service was chosen to head the new federal sex offender tracking and prosecution team