IV. 3. Long-term deprivation of liberty  ....................................................................................................... 117 IV.3.1. Prison facilities  ..................................................................................................................... 117 IV.3.2. Prison psychiatric hospitals  ................................................................................................. 120 IV.3.3. Young Offender Institutions  ................................................................................................. 120 IV.4. Special purpose deprivation of liberty facilities  ................................................................................ 124 IV.4.1. Foreign national deportation operations  .............................................................................. 124 V. Processing by the Ombudsman of complaints of ill treatment  ............................................ 125 6