What to do when you know something sensitive about PNMs?

[sigmagirl10]

I'm recruitment chair for my chapter--we just recently colonized and are holding an informal (but still structured) recruitment in April. We have quite a list of girls who we know are planning on/interested in participating in recruitment, but not too long ago one of our members (who knows a couple of the girls) revealed some information to us about several of the girls on our list--that they have been arrested and received alcohol citations. We're not sure how to approach this, as obviously the girls are liabilities in terms of risk management, and along with some other behavior we know about them, are liabilities in terms of our reputation. Since we're new on campus, of course we're worried about that, and we're also really trying to increase our numbers.
The question is, how do we deal with this? We want to give out as many bids as possible, and besides the alcohol stuff, these girls would really be assets to our chapter--we don't know what to do! Please help/opinions.