noun
interdiction
in-ter-DIK-shun/ˌɪntərˈdɪkʃn/
The interception of people or goods to prevent their movement.
The Coast Guard conducts drug interdiction patrols along the coast.

Etymology
Interposing by speech became forbidding by authority; the noun names that act of prohibition. In English, interdiction broadened from a Church ban to authoritative restrictions more generally.
In context
it could be DUI enforcement it could be drug interdiction it could be just patrolling for people out lurking in the shadows
More examples
- Interdiction of weapons shipments slows the rebels' advance.
- The agency uses radar to support interdiction at sea.
- Border teams coordinate the interdiction of smugglers crossing the desert.
Forms
interdiction · interdictions
interdict verb — To stop or obstruct passage or movement.
Similar words
- interception
- Emphasizes catching people or goods while they are moving.
- blockade
- Blocks access to an entire area rather than individual movements.