Article Photos: Mayor Vincent Gray refuses to say if he's cooperating with federal probe



D.C. Mayor Vincent Gray participates in a partial site demolition at the Skyland shopping center in Southeast D.C. (Graeme Jennings/Examiner)

D.C. Mayor Vincent Gray participates in a partial site demolition at the Skyland shopping center in Southeast D.C. (Graeme Jennings/Examiner)