"Hello, everyone," I said, my words amplified and echoing off the  walls. "How about all you motherfuckers just die?"

The hall exploded into chaos. Chairs toppled as people scrambled over each other, desperately trying to reach the exits. Women screamed, men shouted orders, and the carefully arranged wedding dissolved into pandemonium.

I lifted my gun and fired into the crowd. One shot, then another, the recoil biting into my shoulder as people dropped in every direction. I aimed at a man ...