He was having his officers monitor the waves to see if they were growing in intensity.

As a compromise, she said officers should not monitor asylum seekers in all parts of London until they made a decision.

The federal courts have long held that undercover officers can monitor political activities for a "legitimate law enforcement purpose."

The officers at their stations, patiently monitoring the unfolding situation.

Being located centrally, officers can monitor activities in each area at a glance.

These officers also monitor and supervise parolees who are released back into the general public.

All the officers sitting in their offices can monitor performance reports of the train operating staff.

Today instead of devoting patrol cars, an officer can monitor the gang behind a desk.

My first officer and I were monitoring Mitchell from the bridge, tracking his behavior.

Around the intelligence room, other officers monitored the humans in the city.