Raymond Skiles, longtime wildlife biologist at Big Bend National Park, says that animals require free access to the Rio Grande as their primary water source. John Burnett/NPR hide caption
border security border security
Hiro Yazawa of Japan Cell displays a spotlight weapon that sells for $5,000 at the Border Security Expo in San Antonio on Tuesday. John Burnett/NPR hide caption
With Trump's Border Plans, Security And Surveillance Firms Eye Bigger Profits
Then-candidate Donald Trump tours the World Trade International Bridge at the U.S.-Mexico border in Laredo, Texas, in 2015. LM Otero/AP hide caption
Republican presidential candidate Donald Trump speaks at a press conference Wednesday prior to a town hall meeting at Pinkerton Academy in Derry, N.H. Matthew Healey/UPI/Landov hide caption
Will GOP's Efforts To Reach Out To Hispanics Survive These Primaries?
Stephanie Acosta of El Paso, Texas, crosses the finish line after running a 10K race from the United States into Mexico. Monica Ortiz Uribe/KJZZ hide caption
Jose Manuel Mireles Valverde, spokesman for the Autodefensas, a militia organized against the Knights Templar mob. The Orchard hide caption
La Roca restaurant in Nogales, Mexico, draws a mix of American tourists and locals. It used to have an American bank account and credit card until the bank closed the account. Jude Joffe-Block/KJZZ hide caption
At the White House on Friday, President Obama met with El Salvador's President Salvador Sanchez Ceren (from left), Guatemalan President Otto Perez Molina and Honduran President Juan Orlando Hernandez to discuss the border crisis. AP hide caption
J.T. Ready is a reputed neo-Nazi who has been conducting heavily armed patrols to catch illegal aliens in the Arizona desert. J.T. Ready/AP hide caption