It's pretty well known [0] [1] but there's a reason your local administrator/politician won't talk about it [2]

[0] https://sanfrancisco.cbslocal.com/2020/06/11/alleged-chinese...

[1] https://foreignpolicy.com/2020/08/19/universities-confucius-...

[2] https://www.axios.com/china-spy-california-politicians-9d2df...