In 2014, Senators John McCain and Jeff Flake of Arizona sent a letter to then Attorney General Eric Holder to explain why the Obama administration was ending the prosecution of “1st-time border crossers” under Operation Streamline, a “joint initiative of the Department of Homeland Security and Department of Justice in the United States, started in 2005, that adopts a ‘zero-tolerance’ approach to unauthorized border-crossing by engaging in criminal prosecution of those engaging in it.”

In the letter, McCain and Flake specifically called the prosecution of the 1st-time border crossers a “tool” in the “border-security toolbox” to help deal with “Central American family units and unaccompanied minors”:

Read the entire letter here.