Records of inmates serving their sentence in WI state prisons are maintained by Wisconsin Department of Corrections (DOC). The DOC maintains a centralized inmate database which one can easily search (refer the guide below). While the inmates in federal prison can be searched directly on BOP website. However, county jails, police jails, in Wisconsin maintains the inmate records individually and one need to refer their websites for details. Read the instructions below to lookup inmate information across all prison types.