If you don’t know the OKC-Spatz story here is 3 articles you should definitely read :

Testimony from an Ogyen Kunzang Choling survivor. https://buddhism-controversy-blog.com/2017/10/29/testimony-from-an-ogyen-kunsang-choling-okc-survivo…
verdict: 4 years suspended sentence : https://buddhism-controversy-blog.com/2017/03/11/robert-spatz-the-ogyen-kunsang-choling-cults-guru-g…
Abuse and Buddhism – Behind the Smiling Facade : https://www.info-buddhism.com/Abuse_and_Buddhism-Behind_the_Smiling_Facade-Anna_Sawerthal.html