Butch slows in his bagging of the money from the safe, distracted by the commotion on the other side of the counter.

This isn’t good. He’s seen men act like this before--this is why he normally just robs with his own gang, with men he knows and trusts. They’re close, so close to being done here, and everything’s gone so well so far--they just need to hold it together a little while longer, and they can be away and the tension will be gone.

“Hey, let’s everybody just stay calm,” he says.

Which goes for their men as well as for the hostages.