Become a member of the 2038 club. In September 2038, the last sealed files of the Warren Commission will be opened. The wait 75 years before opening these documents, because by that time, all of the parties involved will already be dead, and any incriminating evidence/discoveries will not affect those who were in power/responsible at the time of the investigation.
http://karws.gso.uri.edu/JFK/higher_...tz_thesis.html