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 quickly, often in an effort to catch or catch up with (someone or something).
To endeavour to find or obtain.
To make a determined effort to win someone's affections or to have a sexual relationship with them.