Marc Holden has started 805 Poop Patrol, a service that cleans up dog poop at homes and offices. He has three dogs, including Poppy. Credit: Joshua Molina / Noozhawk photo He’s a former U.S. Marine.

For most dog owners, dealing with poop is one of the biggest downsides. Scooping, bagging and disposing of it is messy, inconvenient and generally unpleasant. But shockingly, there hasn’t been a real ...