is a legislative act declaring a person guilty of treason or felony, in contrast to the regular judicial process of trial and conviction. In January 1661, the corpses of Cromwell, Ireton and Bradshaw were exhumed and hanged in chains at Tyburn.

In 1661 John Okey, one of the regicides who signed the death warrant of Charles I, was brought back from Holland along with Miles Corbet, friend and lawyer to Cromwell, and John Barkstead,