By Mimi Hall
WASHINGTON — Violence against government agents working along the U.S.-Mexican border is escalating in response to government efforts to crack down on illegal drug and human smuggling rings, Homeland Security officials say.
Since 2004, the number of assaults has more than doubled, from 384 that year to 987 in fiscal 2007. And this fiscal year, which began Oct. 1, is set to outpace the last one.
Border agents increasingly targeted