From USA Today:
Drugs from Canada seized
Hundreds of people in Minnesota, Wisconsin and Vermont had their Canadian prescription-drug orders seized and thousands more had their shipments delayed after about 450 packages arriving in Miami from the Bahamas were seized by U.S. Customs in July.

The seizure was the first large-scale effort by U.S. Customs and the Food and Drug Administration to halt prescription shipments from Canadian pharmacies, although individual packages have been halted in the past.