18 U.S. Code § 4012. Summary seizure and forfeiture of prison contraband

An officer or employee of the Bureau of Prisons may, pursuant to rules and regulations of the Director of the Bureau of Prisons, summarily seize any object introduced into a Federal penal or correctional facility or possessed by an inmate of such a facility in violation of a rule, regulation or order promulgated by the Director, and such object shall be forfeited to the United States.

Title 28: Judicial Administration