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 remain concealed in order to ambush.
To hang out or wait around a location, preferably without drawing attention to oneself.
To read an Internet forum without posting comments or making one's presence apparent.
To saddle (a person) with an undesirable task or duty.
To remain unobserved.
The act of lurking.