I am surprised that your dog is still running free and pooping on my and Walt’s yard. You know Walt? He lives across from me and is 85+ years old. He also does not enjoy having to clean up your dog’s poop. I asked him because I wasn’t sure if it was just me. It’s not. NOBODY LIKES BEING POOPED ON.
I say “surprised” because my wife had already told you that we did not appreciate your dog pooping on our lawn. But still he runs free. It appears that you are either too dim or too insensitive to understand her request. Let me make it clear:
WE DO NOT LIKE BEING POOPED ON. Until this point we have not even investigated our legal and civil options. Please do not make us go that far. I have faith that there will be some recourse available to us that will make your life more difficult than it is now. Let’s just stop it here and you leash your dog. Or keep him in your fenced back yard. I don’t care as long as he is not in everybody else’s yard.
Also, I could not be happier that you want to go on walks with your dog. I encourage it. I also would encourage you to have evidence visible that you are prepared to clean up after your dog.
In conclusion, let me just say that you likely know that your behaviour has not been acceptable. If you didn’t know that, you should now. This is what society expects.