 However, for two reasons he is unlikely to have acted alone.First of all, if he were guilty of acting without Richard's orders it is extremely surprising that Richard did not lay the blame for the princes' murder on Buckingham after Buckingham was disgraced and executed, especially as Richard could potentially have cleared his own name by doing so.Secondly, it is likely he would have required Richard's help to gain access to the princes, under close guard in the Tower of London, although Kendall argued as Constable of England, he might have been exempt from this ruling.