RaTG13 geonome was published January 23, 2020 by Wuhan Institute of Virology.
https://www.biorxiv.org/content/10.1101/2020.01.22.914952v1....
https://www.biorxiv.org/content/10.1101/2020.01.22.914952v1....
Some people suspected it [0] and eventually Dr. Shi confirmed it [1] after.
[0] https://www.researchgate.net/publication/341547726_Understan...
[1] https://science.sciencemag.org/content/369/6503/487.full