Stuart Naylor writes:
Before I allow my dogs supervised access to my front yard I first have
to check that there is nobody there stealing tomatoes etc. otherwise
I'm liable for injury should my dogs bite the critters.

But surely the "Warning: Guard Dog on Premises" sign on your front gate
absolves you from responsibility for dogbite injury to trespassers?
--
John Savage (my news address is not valid for email)