Also included as minimum security are work release program offenders, who leave the facility for outside employment but return nightly. These facilities have a moderate degree of security measures. Housing is dormitory style. Offenders typically have shorter sentences than level 3 offenders. These facilities have a moderately high degree of security measures.
Housing is celled space.
Typically more aggressive offenders than level 1 and 2, could be serving longer sentences and have a long criminal history. These facilities have very restrictive security measures. Housing is celled space. Level 4 offenders typically have been convicted of violent or weapons-based offenses. These offenders require close supervision and tight security to minimize risk to the public, staff and other offenders.