Someone I know has. 5 GSD's and the neighbor kid broke into his garage and 2 of the dogs caught him as he was going over the fence. Each GSD had a leg, that person attempted to sue the homeowner but the judge threw the lawsuit out.
Misty- Samoyed Mix, Tannor- Golden Retriever CGC
Robyn- GSD CGC, TC, Midnite-GSD CGC,TC, Brennan-Golden Retriever CGC, Batman-Husky/Greyhound , Apollo-GSD