Princes in the Tower themselves to Henry Tudor's bandwagon." The fact that the majority of the rebels were wealthy and powerful southern noblemen, loyal to Edward IV, suggests a degree of revulsion against Richard's usurpation of the throne: their willingness to fight on under an implausible alternative candidate suggests that they regarded anyone as preferable to Richard as King due to his usurpation and the murder of his nephews. Bennett suggested that perhaps those who had initially supported Richard in his seizure of power may have felt complicit in the crime, which he thought "might explain the bitterness of the subsequent recriminations against him."
Princes in the Tower were under guard in the Tower of London, which was controlled by his men, and access to them was strictly limited by his instructions. He could therefore have dispatched one of his retainers to murder the princes on his behalf, but it is unlikely they could have been murdered without his knowledge. This is the version put forward by More and Polydore Vergil, who both name James Tyrrell as the murderer. Tyrrell was an English knight who fought for the House of York on many occasions. Tyrrell was arrested by Henry VII's forces in 1502 for supporting another Yorkist claimant