Answer: policedog

AnswerCrossword Clue
POLICEDOGGERMAN SHEPHERD, USUALLY
POLICEDOGGerman shepherd
POLICEDOGSpeechless arm of the law.
POLICEDOGConstable's aide.
POLICEDOGQuadruped guardian.
POLICEDOGNarc's assistant
POLICEDOGBomb squad member
POLICEDOGIt sometimes sniffs cocaine
POLICEDOGCop's canine companion