George Clack has been sentenced to more than two years in a Young Offenders’ Institution after he admitted possessing crack and heroin with intent to supply. George Clack has been sentenced to more than two years in a Young Offenders’ Institution after he admitted possessing crack and heroin with intent to supply. A TEENAGER from Coventry has been sentenced to more than two years in a Young Offenders’ Institution after he admitted possessing crack and heroin. George Clack, 19, of Allesley Hall Drive, pleaded guilty to possession of cocaine and heroin with intent to supply, and was sentenced at Warwick Crown Court to 27 months in a Young Offenders’ Institution. When officers searched him, he also had multiple individual wraps of crack cocaine, heroin, and a large amount of cash on him.