For long stretches, he was one of the paramilitary posse living with him in safe houses, by his side, killing on his orders. Treviño and his fellow Zetas refer to kids like Rosalio and Jesse and Gabriel by a name: the Expendables. “It happened so quick, since that first day. From there, everything went”—Rosalio makes a pppppft sound. “That’s when I knew I had stepped over the border already—I was in a different world.” He didn’t tell his parents, because he was convinced if he did, they would be killed. He didn’t tell anyone.