OK.

Here is China making a coronavirus like the one causing the pandemic, even acting on the ACE2 receptor and testing it in human cells, publishing it in early 2008: https://jvi.asm.org/content/82/4/1899

Here they are again, years later, still playing with extremely hazardous coronaviruses that act on the ACE2 receptor in humans:

https://www.nature.com/articles/nature12711

This one gene-edits the host cells to have both human and bat traits, making it easier to breed bat viruses into becoming human viruses:

https://link.springer.com/article/10.1007/s00705-010-0729-6

There are more. The ASM's virology journal published more of generally the same kind of stuff. I can't find the link right now.