Standoff in Texas Town Ends With Two Dead, One Officer Critically Injured Angela K. Brown/Associated Press Jun 18, 2004 GRAND PRAIRIE, Texas (AP) - A gunman in a van in a Wal-Mart parking lot killed one police officer and critically wounded another Friday, prompting an hours-long standoff that trapped customers in the store for hours before the attacker was found dead. Sgt. Gregory Hunter, 54, was fatally shot Friday morning as he and another officer, Bruce Seix, checked on a blue camper-style van that had been parked all night with its engine running, said police spokesman John Brimmer. Hunter went...