For the Eurofurence CSI Berlin Conbook: Three working dogs within their specific field of police duty: The German Shepard for TSG or Armed Response, Bloodhound for CSI and Cocker Spaniel for CID. I am now fairly sure to have an NSA tag on my browsing for looking up Heckler&Koch that many times...

Haberdashed Copic inks then pulled to Illustrator for flat digital coloring. The originals of course remained black and white.