 Later in the year Corbet was forced to write again, excusing himself from helping the authorities collect the subsidy because he was involved in the arrest of Lawrence Banester, a recusant and the Duke of Norfolk's northern agent, as well as a trustee of the Dacre family estates, who lived at Wem in Shropshire.Norfolk had been the focus of a swirl of accusations and counter-accusations from the Rising of the North in 1569 to the Ridolfi plot in 1571.It seems that Banester was the source of most of the rumours, as he had several times written, perhaps on his own authority, to the Dacres and other Catholic nobles, inciting rebellion in favour of Mary, Queen of Scots.