Did they have proof that she was drinking at the event and/or given alcohol by members who are of age? What if she had used a fake i.d.?
I'm sure Pi Beta Phi nationals has investigated the situation thoroughly, but it seems a small reason to close an entire chapter. I'm assuming that there is alot to the situation that the rest of us are not aware of.
Feeling terribly sorry for the Pi Phis at Chico for losing their chapter.....