D.C. Mayor-elect Vincent C. Gray introduces his public-safety team, flanked by Police Chief Cathy L. Lanier, whom he renamed, and Paul A. Quander Jr., his pick as deputy mayor for public safety. (Associated Press)

D.C. Mayor-elect Vincent C. Gray introduces his public-safety team, flanked by Police Chief Cathy L. Lanier, whom he renamed, and Paul A. Quander Jr., his pick as deputy mayor for public safety. (Associated Press)