Prisons’ Contraband Interdiction Efforts, Evaluation and Inspections Report 16-05 (June 2016). 89 U.S. DOJ OIG, Notification of Needed Upgrades to the Federal Bureau of Prisons’ Security Camera System, Management Advisory Memorandum 22-001 (October 2021). 111 policy does not, however, describe how long the cellmate requirement should last