Princes in the Tower "the murther of his nephews towards the world", indicating that the boys did indeed meet their end during Richard's days. It is also unlikely that the princes would have been kept alive in secret by Richard for 2 years after their last sighting while rumours of his responsibility for their murder circulated. Some writers have also accused John Howard, 1st Duke of Norfolk; Margaret Beaufort, Henry VII's mother; and Jane Shore (Edward IV's mistress). Pollard writes of these theories: "None deserve serious consideration. The problem with all these accusations is that they beg the question of access to the Tower
Princes in the Tower their disappearance, rumours quickly spread that they had been murdered. Only one contemporary narrative account of the boys' time in the tower exists: that of Dominic Mancini. Mancini's account was not discovered until 1934, in the Municipal Library in Lille. Later accounts written after the accession of Henry Tudor are often claimed to be biased or influenced by Tudor propaganda. Four unidentified bodies have been found which are considered possibly connected with the events of this period: two at the Tower of London and two in Saint George's Chapel, Windsor Castle. Those found in the Tower were buried in Westminster