The Delaware State Police have been conducting secret background checks of some gun owners since 2001, a process known as "superchecks" that may violate federal law. The checks have resulted in confiscation of weapons, some for legitimate reasons, but have subjected many citizens to a search of mental health records that in most cases police would be unable to access. In Delaware, when someone attempts to purchase a pistol or rifle, he or she must first sign a consent... (GunPolicy.org)