"Duke officials admitted that mistakes were made, but didn’t respond to specific questions."
Note the passive tone. These are not junior people we are dealing with. These are very senior deans and professors that will face absolutely no accountability whatsoever for trying to cover up a case of serious misconduct - and the incredibly brave student that spoke out was threatened into silence.
It reminds me of the Schon scandal at Bell Labs. Again, someone faked a huge amount of data, and bosses were all too happy to put their names at the end of all the high impact papers he produced... yet again, when the fraud came to light, none of the bosses suffered absolutely any repercussion.