we had exactly same thing, capital one seems to have very crappy fraud measures, we had a guy try to buy a laptop computer from us then next day capital one fraud calls us to say it was identity theft thankfully we didn't ship the laptop...me personally, i would have verified much more than you did on a $5300 purchase including, id, utility bill etc etc i would probably only ship an order this size to a business...
here's description of our case:
ReportChargeback.com - database of chargebacks, identity theft and other credit card fraud and other types of buyer fraud.
what kind of product was it? i find the most high risk is computer products especially laptops i am considering stopping all sales of those products altogether
perhaps you can report this guy on our website:
ReportChargeback.com - database of chargebacks, identity theft and other credit card fraud and other types of buyer fraud.