Update: Investigators: Roy Halladay performed steep turns before crash
Inside Roy Halladay's struggle with pain, addiction - ESPN
Baseball great Roy Halladay's plane performed steep turns before crash, NTSB says
Roy Halladay Death: New Findings Expose Potential Cause for MLB Pitcher's Plane Crash
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NTSB: Roy Halladay died in plane crash doing drug-induced aerobatics - The Boston Globe
Retired baseball star Roy Halladay killed in Icon crash - AOPA
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Inside Roy Halladay's struggle with pain, addiction - ESPN
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Baseball Hall of Famer Roy Halladay on drugs, doing stunts before fatal plane crash, report finds