While he diddles around with useless chatter his cats are gonna get munched, maybe him too. Once a dog shows unprovoked aggression, game over, do what you gotta to get RID of it.
>> “Once a dog shows unprovoked aggression...” <<
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Do you know the difference between fear, curiousity, and agression?
And lots of big tough dogs love to play with cats.
1st the obvious
a. Keep the cats inside until situation is resolved, otherwise it is just a question of when, not if they will be killed
b. make sure all doors and windows are secure at all times (no thin screen doors, windows with screens not open wide enough for a dog to squeeze in)
c. make sure you are prepared to defend your self at all times
No matter what they say; do not ever assume they will be “responsible”. The very fact they chose this breed, is proof they are not responsible.
Of course it is worth the effort to speak with them and express your fear and assure them it is not personnel,
but let them know that they will be receiving a registered letter from your attorney concerning the consequences of their not securing their dog 100% of the time. Also inform them you will in fact call the police and file a complaint each and every time the dog is seen off the leash or running loose.
Bottom line is simply ask yourself “What is the worst that could happen? Assume that will happen(because it will) and act accordingly.
I love dogs and it would tear me up to ever harm one, but sadly your only real option may be to kill the dog the second it steps on your property.
Alternately you could search the web and find a less drastic solution like getting some non-lethal weapon/stun gun/spray