Minn. Stat. § 347.17: KILLING DOGS IN CERTAIN CASES.

Any person may kill any dog that the person knows is affected with the disease known as hydrophobia, or that may suddenly attack while the person is peacefully walking or riding and while being out of the enclosure of its owner or keeper, and may kill any dog found killing, wounding, or worrying any horses, cattle, sheep, lambs, or other domestic animals.