Marshall Gramm's problems started on June 9 when horse owner Michael Imperio made a post on X inquiring about an unusual set of past performances for two horses, Deterministic (Liam's Map) and Griffin's Wharf (Constitution), that he had come across. The post read: “Has anyone seen these new PP's with vet work? Also, how can I get them?” That led to an investigation that led to more investigations that concluded with serious allegations from the …
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TDN | Thoroughbred Daily News | Horse Racing News, Results and Video | Thoroughbred Breeding and Auc broke the news16 hours ago on Thursday, August 20, 2026.