Kaufman law enforcement officers patrol outside the county courthouse Monday, April 1, 2013, in Kaufman, Texas. Law enforcement officials throughout Texas remained on high alert Monday seeking to ... more 
Kaufman law enforcement officers patrol outside the county courthouse Monday, April 1, 2013, in Kaufman, Texas. Law enforcement officials throughout Texas remained on high alert Monday seeking to better protect prosecutors and their staffs following the killing of county district attorney whose assistant was gunned down just months ago. (AP Photo/Tony Gutierrez)(AP Photo/Tony Gutierrez)(AP Photo/Tony Gutierrez) less 
1 / 30
Associated Press | Photo By Tony Gutierrez
Mon, Apr 1, 2013 7:33 PM EDT