File photo dated 30/09/2012 of former police chief Sir Norman Bettison who will be investigated by a watchdog over claims he tried to influence the way a witness gave evidence at the public inquiry ... more 
File photo dated 30/09/2012 of former police chief Sir Norman Bettison who will be investigated by a watchdog over claims he tried to influence the way a witness gave evidence at the public inquiry following the murder of Stephen Lawrence. less 
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Fri, Jul 26, 2013 7:30 AM EDT