a legitimate legal undertaking intended to check the validity of the 'factual off-label promotion' of a particular health related device; one subject to U.S. FDA authority.
There was nothing legitimate about the unhanded tactics used during the investigation. One bureaucrat ended up going to jail for for the abuse of process but unfortunately most of the abuses the DOJ got away with are not crimes (even though they should be). Quis custodiet ipsos custodes?