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 collude, as where an informer colludes with the defendant, and makes a sham prosecution.
To undertake something falsely and deceitfully, with the purpose of defeating or destroying it.
To shift or turn from direct speech or behaviour; to deviate from the truth; to evade the truth; to waffle or be (intentionally) ambiguous.