Thank you for taking the time to analyze Seymour Weitzman's employment record. I don't believe it's a critical issue, but the record does seem to cast doubt on Weitzman's claim to have been "in the sporting goods business, or having managed or run a sporting goods store.....
Weitzman's expertise isn't really very important....So there's no need to attack him...... He simply saw a bit of the rifle beneath the pallet as they waited for Detective Day and Captain Fritz to come to the site, and ventured that the rifle looked like a Mauser. Roger Craig heard Weitzman's WAG and accepted it as if the rifle was in fact a Mauser . Roger Craig is the problem....
I'm not attacking Weitzman. I have no reason to doubt that he was "in the sporting goods business for awhile," but the circumstances he described give no reason to consider him any kind of firearms expert. He never claimed to have been one, himself. He was promoted to that status years after the fact by none other than Roger Craig in When They Kill a President:
"Seymour Weitzman, a deputy constable, was standing beside me at the time. Weitzman was an expert on weapons. He had been in the sporting goods business for many years and was familiar with all domestic and foreign weapons."
I figure Roger Craig really is the problem, just like you said.