6. Compilations of criminal histories.

While there “is undoubtedly some public interest in anyone's criminal history [or autopsy report and toxicology test results], especially if the history is in some way related to” a public official, “the FOIA's central purpose is to ensure that the Government's activities be opened to the sharp eye of public scrutiny, not that information about private citizens that happens to be in the warehouse of the Government” be disclosed.  Swickard, supra at 575 (quoting Reporters Committee).