David Wrone's Early Defense of Zapruder Authenticity Debunks Itself

2003 "Into Evidence" Conference
Full Presentation on Bart Kamp's channel-
https://www.youtube.com/watch?v=xahEOB0N90Q
His arguments debunk themselves with what we know now, & they seem to all be completely speculative, biased, & from a professor (NOT a film expert) who doesn't know how long these things would take.