https://www.judicialwatch.org/secret-service-denies-access-to-white-house-visitor-logs-reporters-committee-for-freedom-of-the-press/
Secret Service denies access to White House visitor logs | Judicial Watch
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https://www.theblaze.com/news/2011/04/13/investigation-finds-gaping-holes-in-transparent-white-house-visitor-logs
Investigation Finds Gaping Holes in 'Transparent' White House Visitor Logs | Blaze Media
white house visitor logsgaping holes