Charlie Brooks, a horse trainer who studied at the elite private school Eton, is a friend of U.K. Prime Minister David Cameron, who throughout the phone-hacking scandal has been criticized for being too close to both News Corp. officials and the Brookses specifically.

WSJ: U.K. Police Arrest Rebekah Brooks, Husband in Phone-Hacking Probe

"He was never shy, " says Tapit's former trainer, Michael Dickinson, who admits feeding the horse a daily pint.

WSJ: Tapit: Horse Racing's Top Bachelor��2013 Kentucky Derby

It appears that a News International executive, who is married to a horse trainer, had one of these horses and the Prime Minister, a neighbour, rode it once or twice.

FORBES: David Cameron, Rebekah Brooks, the Police Horse and the Manufacturing of a Public Outrage