FILE - In this Tuesday, Dec. 23, 2008 file photo, New Orleans Mayor Ray Nagin speaks during an interview in his office at City Hall in New Orleans. The former New Orleans mayo was indicted Friday, Jan. 18, 2013 on 21 corruption charges including wire fraud, bribery and money laundering. The charges come from a City Hall corruption investigation that already has resulted in guilty pleas by two former city officials and two businessmen. (AP Photo/Alex Brandon)
FILE - In this Wednesday, June 22, 2011 file photo, former Mayor Ray Nagin arrives to talk about his new book, "Katrina's Secrets," at a news conference in New Orleans. Nagin was indicted Friday, Jan. 18, 2013, on charges that he used his office for personal gain, accepting payoffs, free trips and gratuities from contractors while the city was struggling to recover from the devastation of Hurricane Katrina. (AP Photo/Gerald Herbert, File)
FILE - In this Saturday, May 20, 2006 file photo, New Orleans Mayor Ray Nagin, right, is greeted by the city's Chief Technology Officer Greg Meffert following his victory party in New Orleans. Nagin was indicted Friday, Jan. 18, 2013, on charges that he used his office for personal gain, accepting payoffs, free trips and gratuities from contractors while the city was struggling to recover from the devastation of Hurricane Katrina. In 2010, Meffert pleaded guilty to charges he took bribes and kickbacks in exchange for steering city contracts to a New Orleans businessman. (AP Photo/Alex Brandon, File)
NEW ORLEANS — More than a decade ago, Ray Nagin was elected mayor of New Orleans on a vow to root out corruption in a city plagued by decades of it. On Friday, the former mayor was indicted on charges he lined his pockets with …