Bill Cooper - Willian Greer the Secret Service Agent driving JFK's Limousine shot him in the head

https://billcooper.substack.com/p/bill-cooper-willian-greer-the-secret

William Robert Greer (1909 - 1985)

https://www.wikitree.com/wiki/Greer-888

JFK’s Irish driver in Dallas was secret member of anti-Catholic Orange Order

https://www.irishcentral.com/news/jfks-irish-driver-in-dallas-was-secret-member-of-anti-catholic-orange-order-232984301-237788871