A U.S. Border Patrol agent rides an ATV as he patrols at night between the border structures separating Tijuana, Mexico, left, from San Diego in 2009. A man struck a Border Patrol agent with a rock and stole his ATV early Sunday before being shot, authorities say.
A U.S. Border Patrol agent rides an ATV as he patrols at night between the border structures separating Tijuana, Mexico, left, from San Diego in 2009. A man struck a Border Patrol agent with a rock and stole his ATV early Sunday before being shot, authorities say. Gregory Bull The Associated Press file
A U.S. Border Patrol agent rides an ATV as he patrols at night between the border structures separating Tijuana, Mexico, left, from San Diego in 2009. A man struck a Border Patrol agent with a rock and stole his ATV early Sunday before being shot, authorities say. Gregory Bull The Associated Press file