@Walks_At_Night
In the What would Jesus do category:
With regards to the dog poop on your lawn problem:
Have you considered erecting a small and polite but blunt sign saying something to the effect of "Dear dog walkers, please pick up after your pets" or however you may want to word it.. yes?
It could work 
It could and has worked partially. I put up some of these rascals:
visitors can't see pics , please
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loginIt reduced the steamers but has not eliminated them. I think the PaperBoy's method is best - just have to catch the bastard in the act.
I do appreciate your concern
@KSM32 - it is an abominable situation for sure.