Jorge Navaroo

Kristian Rhein, a veterinarian formerly based at Belmont Park whom federal prosecutors allegedly have on tape bragging that he sold "assloads" of the illegal performance-enhancing drug SGF-1000, has been granted an Aug. 3 change-of-plea hearing at which he is expected to alter his initial "not guilty" plea in the highly publicized racehorse doping scandal. Rhein was allegedly part of a "widespread, corrupt scheme" dating to at least 2017 that allegedly involved the now-barred trainers Jorge Navarro and Jason Servis, plus a vast network of co-conspirators who allegedly manufactured, mislabeled, rebranded,...