Silas Carter Jayne (July 3, 1907 – July 13, 1987) was a Chicago-based stable owner and horse trainer who was heavily involved in organized crime. He was convicted of rape as a teenager for which he served a year in reformatory. Jayne operated a variety of rackets centering on horses, particularly show jumpers. He orchestrated numerous schemes to sell worthless horses at vastly inflated prices to unsuspecting wealthy buyers. He also regularly killed horses for insurance money, as part of the wider horse murders syndicate of corrupt Midwestern horsemen. He was convicted for conspiracy to murder in 1973 of George Jayne, his maternal half-brother and business rival who was a judge for the American Horse Show Association, for which he served seven years imprisonment. After his death, Silas Jayn