Answer: nabber

AnswerCrossword Clue
NABBEROne who has made a collar
NABBERArresting officer
NABBERCatcher.
NABBERCatcher: Colloq.
NABBERPolice officer, at times
NABBERActive police officer
nabberto seize; arrest
nabberone that nabs (to capture (to take by force or cunning))