Insight: In attacker's argot, Londoners shocked to hear one of their ownBy Michael Holden and Peter Graff LONDON (Reuters) – In the lurid scene of the red-handed knifeman describing his motives for hacking to death a British soldier in broad daylight, perhaps the most chilling aspect for many Londoners was the man’s unmistakably familiar accent. Michael Adebolajo, 28, who was filmed wielding a bloody meat cleaver and butcher’s knife as the soldier lay dead on the road behind him, was not a maladjusted immigrant like Boston bombing suspect Tamerlan Tsarnaev, but a true Londoner born and bred. …