Henry's policy of clemency had its limits, and his strong suspicion that the Anglo-Irish nobility were aiding another pretender to the Throne, Perkin Warbeck, led to Kildare's temporary downfall in 1494. The new Lord Deputy of Ireland, Sir Edward Poynings, undertook a general purge of the Irish judges, including Cusacke who was replaced by the eminent English lawyer Thomas Bowring.