Texas Department of Safety Troopers patrol on the Rio Grand along the U.S.-Mexico border, Thursday, July 24, 2014, in Mission, Texas. Texas is spending $1.3 million a week for a bigger DPS presence along the border. (AP Photo/Eric Gay, Pool)
A Texas Department of Public Safety helicopter prepares to take off to patrol along the Rio Grande, Thursday, July 24, 2014, in Mission, Texas. Texas is spending $1.3 million a week for a bigger DPS presence along the border
Texas Department of Public Safety Capt. Stacy Holland flies a helicopter to patrol along the Rio Grande, Thursday, July 24, 2014, in Mission, Texas.