Promentory - Last of the Mohicans
https://youtu.be/u3YFAOnuZCo
Zaminski and the girl (sister?) also seemed to be Rosenbaum's 'handlers'. They seemed to aid him in their ambush and cornering of Kyle and I believe Zaminski shouted to Rosenbaum to move on Kyle. Then, as you point out, Zaminski may have fired the first shot. Why weren't these punks called as witnesses?