I remember reading this article in the WP a year ago which seemed to conflate viral escape with bioengineering and imply that lack of the latter implies lack of the former:
"Tom Cotton keeps repeating a coronavirus conspiracy theory that was already debunked"
"Tom Cotton keeps repeating a coronavirus conspiracy theory that was already debunked"
https://www.washingtonpost.com/politics/2020/02/16/tom-cotto...