Originally Posted by
DMPHL
IP addresses, mileage redemptions, etc.
Not to mention getting on the phone with their partners at Citi to ask what individuals have multiple credit card accounts open, and seeing what AAdvantage accounts those link to.
I can't imagine it's very difficult at all.
Yep. Between them, AA and Citi have all the information they need to know who's creating fake accounts and racking up miles. Not difficult at all.