Shown in a courtroom artist's drawing is a man idnetified by authorities as Derrick Shareef, left, 22, of Rockford, Illinois, as he appeared before U.S. Nagistrate Judge Maria Valdez on Friday, 8 December in Chicago.  Authorities said Shareef, described as a converted Muslim, was charged Friday in a plot to explode hand-grenades in a shopping-mall on the Friday before Christmas.