Richard wrote:
My neighbor is letting his dog use my front yard as his personal toilet.
He leaves his bombs there all the time. Even IF he picked them up
afterwards, I don't think I like the idea of him walking his dog across my
front yard. What's wrong with his yard?

Any tactful ways of dealing with this, obviously, rude person? I'm
thinking of collecting a week's worth of bombs and then knocking on his
door and handing them to him and say something like "Here - you left these
in my yard".

Check your city code, and then call in a violation if the code says he
must pick up doggie-doo. Code violation here. Lots of dogs, and dog
walkers pick up and put in nearest dumpster.