The teenager had pleaded guilty to juvenile charges of murdering Alan Senitt, of Pinner, north-west London. Mr Senitt, 27, had his throat slashed as he escorted a woman friend home in the city's Georgetown area in July. The boy, who also admitted to armed robbery and theft charges, was sentenced to juvenile custody until he is 21, at Columbia's Superior Court. During the sentencing hearing, letters written by Mr Senitt's parents Jack and Karen were read out. There wasn't even any time to tell him how much we loved him, how proud we were of him Parents Jack and Karen...