most likely HE did not lose them. A mole on his staff probably did.
The Giuliani campaign battle plan was never lost or left behind. Material such as this is like a pacemaker to one's heart. It was stolen. And one could suspect Saudi Arabian and or other Arab intel agents. Remember - Mayor Rudy refused a $10 million bribe for disaster relief from Saudi Prince Alwaleed bin Talal at Ground Zero. They do not want Rudy as President of the United States. What we should see in the days ahead is a joint NYPD / FBI investigation.