By CBS3 Staff

CHESTER COUNTY, Pa. (CBS) — A K-9 officer from our area can definitely be called a top dog today. This is Marley, a comfort K-9.

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He is the first K-9 in the nation to achieve a National Police Canine Therapy certification.

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Marley and his handler, Sgt. Janis Pickell, are part of the Chester County Sheriff’s Department.

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Marley can help calm people who are distressed and may be afraid of a uniformed officer.