Sure, they can open a suspicious package. And for the situation at hand, they'll find medication available at most pharmacies - the problem isn't that the conte

Sure, they can open a suspicious package. And for the situation at hand, they'll find medication available at most pharmacies - the problem isn't that the contents are illegal (they're not per se), it's that the shipper is guilty only of paperwork violations! So yeah, FedEx is exonerated in this case because they're in no position to evaluate the legality of the contents as that is determined, not by simple possession, but by materials (regulatory filings) which they are absolutely not privy to.