The Detroit RRM is not a prison but a Residential Reentry Management field office, an administrative arm of the Bureau of Prisons responsible for overseeing halfway houses and home confinement placements for inmates being released into eastern Michigan. It is physically based near Milan, Michigan, but it is a separate administrative unit from FCI Milan and doesn't house inmates itself. Its staff coordinate with contracted residential reentry centers to manage job placement support, counseling, and supervision as people transition out of custody back into the community. Because it's an office rather than a correctional institution, there isn't much public history to speak of — no opening date, notable incidents, or architectural story tied to it. For families, the main thing to know is that this is the office to contact regarding halfway house or home confinement arrangements for someone being released in the greater Detroit/eastern Michigan region, not a facility where someone would be held long-term.