John Sweeney is a Detective Superintendent in the Metropolitan Police Service. As of 2011, he is leading Operation Withern, the investigation into the 2011 London riots.[1][2]
He had previously led the reinvestigation of the murder of policeman Keith Blakelock.[3]
Leading the latest inquiry, Det Supt John Sweeney said he had promised Blakelock's family "to do my utmost to identify and bring to justice those responsible for killing Keith".