Yestino - The Signal ยท HISAhttps://yestino.com/entities/hisa-4966e2Every event involving HISAenChurchill Downs asks federal government to investigate HISA over betshttps://yestino.com/events/churchill-downs-asks-federal-government-to-investigate-hisa-97952chttps://yestino.com/events/churchill-downs-asks-federal-government-to-investigate-hisa-97952cTue, 01 Sep 2026 16:56:06 GMTChurchill Downs has requested a federal investigation of the Horseracing Integrity and Safety Authority over bets, wins and alleged drug use. Sources: Yahoo Sports