PCs Fiona Bone and Nicola Hughes didn't stand a chance as they responded to what they thought was a routine report of a burglary.
The pair stepped out of their police van and walked up to the front door of a three-bed maisonette, into a slaughter that was so gratuitous the shock still reverberates today. Inside was one-eyed fugitive Dale Cregan - wanted for murdering two gangland rivals.
Before the officers had even knocked on, the merciless killer burst through the door, shouted 'police' and unleashed a hail of bullets on the two unarmed officers, probationers who had only just joined GMP.
He tossed a hand grenade on their dying bodies and then calmly handed himself in at the nearest police station. Ten years on, M.E.N.
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