It was a bit of electronic skulduggery aimed at getting shock horror, scoop exclusives on Royals, TV celebrities and politicians – anyone with a high profile and a mobile. Simply hack into their phone message bank and turn the juicier stuff into screaming headlines and raucous stories for your tabloid readers. Dead easy! So simple it was almost criminal. Well, err, it was and it’s fuelled a scandal that – just like a pesky pap – refuses to go away.