To make heightened efforts to catch a suspect.
To drag a net across the bottom of a body of water.
Heightened efforts by law-enforcement personnel to capture suspects.
A net dragged across the bottom of a body of water.
To follow urgently, originally with intent to capture or harm; to chase.
To follow, travel down (a particular way, course of action etc.).
To aim for, go after (a specified objective, situation etc.).
To participate in (an activity, business etc.); to practise, follow (a profession).
To act as a legal prosecutor.