FILE - This Sept. 19, 2011 file photo shows Caleb Malboeuf arriving at Federal Court in Flagstaff, Ariz. Both Malboeuf and his cousin David Malboeuf have been charged with starting the Wallow Fire that grew to be the Arizona's largest wildfire in State history. The Malboeufs, the two cousins charged with accidentally causing the Wallow Fire are set for a change of plea hearing Tuesday March 27, 2012, after reaching an agreement with prosecutors.(AP Photo/Matt York, File)