coyote leg traps should solve this problem. 3 or 4 of these concealed where you'll remember them. just make sure the perimeter of your garden gives fair warning, and the stakes are at least 3 feet deep. when the parent comes knocking on your door, you can return the favor and ignore her.
if this is a little harsh for your taste, some concealed rat traps could easily be explained as deterrent against the little rodents. see if you can't get tape of this, instant u-tube classic

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