** FILE ** Metropolitan Police Commissioner Sir Paul Stephenson, shown outside New Scotland Yard in London in 2009, resigned as London's police chief on Sunday, July 17, 2011, over his links to a former News of the World editor caught up in the phone hacking scandal. (AP Photo/Sang Tan, File)

Photo by: SANG TAN

** FILE ** Metropolitan Police Commissioner Sir Paul Stephenson, shown outside New Scotland Yard in London in 2009, resigned as London's police chief on Sunday, July 17, 2011, over his links to a former News of the World editor caught up in the phone hacking scandal. (AP Photo/Sang Tan, File)