In total, there are 3,900 overseas convicts on bail in the community, free to commit new offences.
Incredibly, 817 of them have been at large for five years or more.
A string of murders and sex attacks have been committed by foreign nationals who should already have been booted out.
Officials start proceedings to boot out the convicted criminals or offer them bribes to go home.
But once they have served their sentence, the convicts can continue to be held only if there is a good chance of them being deported imminently.
Mr Whiteman said that, in an average month, 110 foreign convicts were freed from immigration centres on bail.
In 90 per cent of cases, the decision was taken by a judge. In the remainder, the Home Office itself decided there was little chance of immediate removal so let them go.