>>2906409 lb
Limo Driver Delivers Final JFK Shot
http://phoenixarchives.com/liberator/1992/0792/070792.pdf
[pages 29 to 32]
“William Cooper's 1991 book, Behold a Pale Horse, in 1995… said that the secret service agent driving JFK's limo, William Greer, could be seen in the unedited Zapruder film… turning around, and shooting JFK.”
http://educate-yourself.org/cn/drivergreershotjfk.shtml