Why would other shooter than Oswald choose TSBD and Dealey Plaza as the place to shoot at JFK limo?
I’ve long since given up on the idea that there was more than one shooter , because one shooter , especially a well trained one is good enough at ranges less than 100 yds.
I don't think anyone other than Oswald would choose TSBD6. It just has way too many risks associated with it. For that matter, I've expressed puzzlement that Oswald would choose it. It was the lunch hour, the M-C was nicely wrapped as curtain rods, no one paid any attention to Oswald anyway, and he could have easily decamped to a much more plausible location like the roof of the Dal-Tex or County Records building. Oswald and his M-C on TSBD6 makes sense if he was a dupe and was somehow (how?) induced to shoot from this unlikely location, with the conspirators (e.g., Mafia) not caring if he was caught or killed because he knew nothing anyway except that he was part of a pro-Castro plot. If he got lucky and killed JFK, that would be the end of the matter. However, because TSBD6 was highly risky and Oswald and his M-C were marginally reliable at best, a pro was stationed on the roof of the Dal-Tex or County Records building if needed (as he was). Either of those locations was essentially risk-free for a pro dressed like a businessman with a briefcase assassination rifle. In this scenario, Dealey Plaza really wasn't a bad assassination scene. I think this scenario makes near-perfect sense; the challenge is filling in the blanks with something resembling evidence, as John Orr is at least trying to do. If one doesn't like the Mafia scenario, an anti-Cuban pro works just as well.
Of course, if OSWALD HIMSELF really didn't care if he was caught or killed, then the TSBD6 and the LN narrative works fine.