The California Horse Racing Board and L.A. County District Attorney’s office are conducting a joint investigation into the deaths. In a hearing in Sacramento last week, Rick Baedeker, executive director of the CHRB, said the investigation should be finished in about four months. Baedeker has also said that it is possible that the causation of the deaths may never be known.

Source: Los Angeles Times May 28, 2019 02:15 UTC