“There is no room in our sport for anyone who does not prioritize the health and well-being of horses and riders,” the statement said. Prosecutors accuse Servis of “covertly obtaining and administering adulterated and misbranded” performance-enhancing drugs that are intended to be “difficult or impossible” to detect. Horse trainer Nicholas Surick is also facing charges. According to Equibase, Servis has earned about $52.2 million, Navarro has earned about $34.88 million and Surick has earned about $110,000 during their careers. The indictment also veterinarians Erica Garcia, Seth Fishman, Gregory Skelton, and Kristian Rhein.

"As is protocol at Santa Anita, we will open an immediate review into what factors could have contributed to Emtech's injury," Stronach Group Chief Veterinarian Dr. Dionne Benson said. "Santa Anita will work closely with the California Horse Racing Board and will continue to brief our stakeholders and all of our constituents, including the public, as more facts come in. Park closed for evaluation earlier this yearSanta Anita Park closed for evaluation in March after more than 20 horses died in the span of three months. Over the summer, the California Horse Racing Board also began investigating trainers to see if they played any role in the string of horse deaths at the park. The 2019 Breeders' Cup World Championships are scheduled for November 1-2 at Santa Anita.