He's neither right, nor honourable...
Of course, the only way to discover whether he may have committed a criminal offence would be if someone was to complain to the police about it. They'd be obliged to investigate.
Interestingly, Galloway's choice of phrasing appears alarming similar to the Iraqi Ministry of Information's handbook for denouncing the west. Packs of Wolves? Miserable surrogates? Per...lease.