Many years ago the charity Sense put a bag through my letterbox saying they would collect a couple of days later, a common practice I'm told. Anyway they didn't collect on the agreed day and I left the bag outside, it was hidden in alcove. A guy delivering leaflets (Safeway supermarket specials! Thats how long ago!)rummaged through the bag and took a leather jacket. I gave chase but couldn't find him. I contacted the police and as the jacket was in a MARKED charity bag, this was a crime of theft. It annoys me to this day but now I always deliver to the charity shop myself and ONLY when it's open. And no this isn't always convenient.