Synopsis
Two bank employees forced to rob £26.5 million, two families held hostage for 24 hours. Sixteen years on, despite an international police investigation and heavily-rumoured IRA involvement, the largest bank robbery in UK history remains unsolved. With access to internal bank CCTV, police 999 calls, archive footage and court transcripts, we piece together how the heist was carried out and explore the various theories that surround it.
