Authorities seek to question van driver in arson; Vehicle was seen leaving Charles Co. development; 'Potential witness, but possibly something more' INDIAN HEAD -- More than one arsonist is believed to have set fires that destroyed 10 homes under construction and damaged 16 others in a Southern Maryland subdivision, investigators said today. Deputy State Fire Marshall W. Faron Taylor said fire investigators also discovered 11 other arson attempts in the Hunters Brooke subdivision. Evidence collected at those houses, which were not damaged, is of monumental value to investigators, he said. "We are strongly considering that this act had to have...