I don't. This fits the Indonesian Muslims' MO -- get everyone worked up, then ask for money. I've never seen it done with snipers or anything like this before though.
Closest I can think of is (believe it or not) the plot from an action movie. You know: "I've blown up three bombs, give me money or I'll blow up more bombs or bigger bombs. Oh, and BTW, if start evacuating/tell people about this, I'll blow up/kill everyone."
This does not feel good at all.