Dirty Dog Rats out Sister in Case of Missing Cookie 11/24/2015 by Fred Life With Dogs is reader-supported. We may earn a small commission through products purchased using links on this page. Some dogs are just the worst! Could you turn your sister in? We couldn’t do it! You May Also Like...IamsTop Dog Food for ColliesVet Recommended Dog FoodWhat’s the Best Dog Food if Your Dog Needs to Gain Weight?Dave's Pet Food ReviewWhat’s the Best Food for Your Newfoundland Dog?Natural Balance Dog Food ReviewsWhat’s the Best Dog Food for Your Siberian Husky?