through contacts to other schools not just Utah. As long as the contacting was done legally USU likely does not have a case. DC will be fine. If they do find the contacting was done incorrectly and Utah was the culprit I would bet the NCAA prohibits him from competing for Utah and he moves on to another of many schools who will be after him.
I think revoking his aid for this semester is a bit vindictive but not for next semester.