I'm a grad student. Last year I wrote the proposed article in our union contract concerning discrimination and harassment grievances.

As part of this I went and looked at a bunch of actual cases in which universities covered for malefactors. Commissioning "independent" law firms who proceeded to generate whitewashed bullshit reports was often a key step in trying to shut down victims, enough so that I included language specifically targeting this tactic (I'm too lazy to go get the link but if you feel like digging through legal documents you can check out the first proposed revision of article IX in the Brown university contract with GLO). this absolutely happens