According to the article, it's both:
"researchers had assembled an archive of cave-bat-borne coronaviruses"
Researchers were studying viruses that had an animal origin. The lab leak would be from not following proper safety protocols.
"researchers had assembled an archive of cave-bat-borne coronaviruses"
Researchers were studying viruses that had an animal origin. The lab leak would be from not following proper safety protocols.
Mistaking one for the other is highly probable.