These guys aren't locals - as Sideways noted, no one wears ties around here except to weddings and funerals. The farm is near Doncaster State Forest, and it is off the beaten path -there is no good (?) reason to be in the woods at night. It is unfortunate, but Charles Co is one of the last undeveloped areaclosest to Washington DC, and has often been used for a dumping ground for stolen cars and bodies - thus the paranoia...
-fsh