Search the Federal Bureau of Prisons inmate locator — federal inmates from 1982 to present, both currently incarcerated and released. Search by lastName (+ optional firstName/middleName, age, sex, race) or by exact BOP register number (inmateNumber, e.g. "12345-678"). Each match: full name, register number, sex, race, age, current facility (code/name/type), projected release date, actual release date (when released). KYC, due-diligence, journalism, and background-research staple. Federal public data.