Custody of Prisoners | U.S. Marshals Service

The U.S. Marshals Service is responsible for the safe and secure confinement, care and transportation of federal prisoners from the time of court-ordered custody until either their acquittal or their conviction and delivery to the Federal Bureau of Prisons to serve their sentence.Once ordered into custody by a U.S. District Court, the U.S. Marshals Service assumes responsibility for all prisoners charged with a federal offense, regardless of which state, local or federal law enforcement agency made the arrest. Alert Prisoner Suicide PreventionIf you believe a prisoner in the custody of the United States Marshals Service (USMS) has a life-threatening medical or mental health condition requiring IMMEDIATE attention, please dial 911 if you are calling from the same county or city where the prisoner is located; otherwise, call the local emergency telephone number for emergency services for the area where the prisoner is located. You can also directly contact the detention facility where th...