K9 Riggo joined the Montgomery County Canine Unit in 2019, where he quickly distinguished himself by earning the Top Dog Award in patrol school.  He went on to successfully complete Drug Detection School and enjoyed a distinguished career, responding to more than 300 calls for service and assisting in numerous arrests.

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Riggo retired alongside his handler in 2024.  Although he remains as active as ever, he has happily embraced retirement—enjoying life, staying busy, and making the most of his well-earned time off.