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Richard Hanna

Assistant Chief of the California Highway Patrol who reported the official details of the 1983 Queen's Accident collision.

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Richard Hanna was the Assistant Chief of the CHP. He reported that the collision involving a Mariposa County Sheriff's vehicle and a Secret Service car occurred at 10:50 a.m. on March 5, 1983, between Coulterville and La Grange on Highway 132, about 25 minutes ahead of Queen Elizabeth II's motorcade.1


  1. Seymour, Cheri. The Last Circle: Danny Casolaro’s Investigation into the Octopus and the PROMIS Software Scandal. First Edition. TrineDay, 2010.

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