Police chief in 'no stone unturned' pledge in British Army agent Stakeknife probe

An English police chief tasked to investigate more than 50 murders linked to the Army's notorious IRA agent Stakeknife has pledged to leave no stone unturned in his quest for truth and justice.

Bedfordshire Police Chief Constable Jon Boutcher has agreed to take on the independent investigation of the high-ranking mole who led the IRA's internal security unit while in the employ of the state.