Given that the Chinese government deliberately destroyed many of the lab samples/evidence immediately after the outbreak, it's hard to say whether the 'smoking gun' will ever be found.
But the mountains of circumstantial evidence certainly indicate that the theory it originated at the lab, man-made or not, is much more likely than it originating at the market.
https://www.dailytelegraph.com.au/co...1c0e96ad17da60