I had the same situation last year but we knew the owner. A complaint from someone running cattle and warning that the dogs could be shot and/or he faced a $500/per dog/per incidence, the owner put them behind high fence.
Find out your counties laws. Place anonymous call first.
If you shoot them, burry them and don't tell anyone. If you wound them you might get in a war with the owner
Find out your counties laws. Place anonymous call first.
If you shoot them, burry them and don't tell anyone. If you wound them you might get in a war with the owner