Well...first off, I don't know what he's after....A file ? Or somethong Else ?
Second, I don't know where he is headed....Pete & Tony's office, or somewhere else.
If it's Pete & Tony's office, he's gonna play hell getting anything out of that now heavly-fortified file cabinet....If somewhere else...(Teacher's Lounge ? Still another place ?), it would have to be a place that has the thing he is looking for.
Third, this has to be real important to him to have gone through the trouble of starting a mini-riot in the theater.....
So....If he were to take a hostage....It would have to be someone that he could get away with doing that to....That could be held prisioner at the house, without anybody knowing....Because, otherwise, we would have to send Kurt underground to keep from getting caught, like we had to do to Jake.