FREDERICKSBURG, VA - OCTOBER 11: Investigators examine a road sign post across from an Exxon station on Route 1 October 11, 2002 in Fredericksburg, Virginia. Police throughout the Washington, DC area are on high alert after a shooting at an Exxon station in Fredericksburg, Virginia which appears to follow the pattern of recent sniper attacks that have occurred in the area killing seven people and wounding two others. (Photo by Stefan Zaklin/Getty Images)
