My first call would have been the police,then the owner and would have blocked that guy in so he couldn't leave or I would have popped his tires,Your lucky you werent "accidentally" shot by the idiot.Its hard to do much when you're outgunned but if opportunity arose I would have snatched that gun away and wrapped it aroud a tree.Of course I'm a real hot-head when it comes to that kind of crap,I have had it happen to me on my own property, I got a nice 12 ga. out of it(in pieces when I was done)

If I ain't huntin',I'm trappin',If I ain't trappin',I'm fishin'
If I ain't fishin',I'm wishin'!