SocGen trading scandal: computer replacing before police inquiry

Lies and truth about societe generale  crisis: jerome kerviel, whipping boy?
one colleague working nearby the place of the accused trader jerome kerviel, has told his father that on friday the bank changed all the computers of the place before the french police inquiry which took the computers on saturday... and he said that if you lost up to 500 000 euros there was an alarm. So you don't understand  the loss of 5 000 000 000 euros that jerome kerviel is accused of.