Background checks and records on William J. Rehnquist, US Federal Bureau of Investigation (FBI), released January 4, 2007 [revealing that he was prescribed a powerful sleeping aid when he was an associate justice, which he took for over a decade, and also took Placidyl and Darvon to alleviate chronic back pain, sometimes three times the recommended dosage]. Read parts 1, 3, 4, 5, 6. Reported in JURIST's Paper Chase here.