SF [US Special Forces] can advise and assist HN [Host Nation] forces in developing and implementing control measures.
Among these measures are the following:
Security Forces. Police and other security forces use PRC [Population & Resources Control] measures to deprive the insurgent of support and to identify and locate members of his infrastructure. Appropriate PSYOP [Psychological Operations] help make these measures more acceptable to the population by explaining their need. The government informs the population that the PRC measures may cause an inconvenience but are necessary due to the actions of the insurgents.
Restrictions. Rights on the legality of detention or imprisonment of personnel (for example, habeas corpus) may be temporarily suspended.
This measure must be taken as a last resort, since it may provide the insurgents with an effective propaganda theme.
PRC [Population & Resources Control] measures can also include curfews or blackouts, travel restrictions, and restricted residential areas such as protected villages or resettlement areas. Registration and pass systems and control of sensitive items (resources control) and critical supplies such as weapons, food, and fuel are other PRC measures. Checkpoints, searches, roadblocks; surveillance, censorship, and press control; and restriction of activity that applies to selected groups (labor unions, political groups and the like) are further PRC measures.
Legal Considerations. All restrictions, controls, and DA measures must be governed by the legality of these methods and their impact on the populace. In countries where government authorities do not have wide latitude in controlling the population, special or emergency legislation must be enacted. This emergency legislation may include a form of martial law permitting government forces to search without warrant, to detain without bringing formal charges, and to execute other similar actions.