foursquare badge: True Trojan
You know USC like only a loyal member of the Trojan Family can. Wear the cardinal and gold with pride. Fight on!
How to unlock:
Follow USC on foursquare
Check in at venues 15 where USC has left tips. These venues can be found on their foursquare profile page.
As of now you can only get 1 university badge per foursquare account.