Dead suspect in shooting of mediation opponents was litigious, had anger issues, lawyer says

Updated: A man who authorities say committed suicide after shooting a corporate attorney and his client after a law firm mediation session Wednesday in Phoenix was reportedly litigious and had anger-management issues. Before shooting attorney Mark P. Hummels, 43, who initially was in critical condition but now is not expected to survive, and client Steven Singer, 48, who died, Arthur Douglas...