Penguin

The latest installment in T. Jefferson Parker's Charlie Hood series, Iron River. (Thumbnail photo by OMAR TORRES/AFP/Getty Images).

Forget the NAFTA-friendly flow of tomatoes and televisions, the U.S.-Mexico border's most lucrative trade is the black market for drugs, cash, and guns. T. Jefferson's Parker's newest Charlie Hood novel is a work of fiction, but the gun-smuggling route he traces, known as the Iron River, is anything but. Larry talks with the crime writer about the boundary between fiction and journalism in "Iron River."

Guest: