Behind the wheel was Phil Conger, a twenty-seven-year-old Methodist activist from San Diego who’d worked with Peggy Hutchison at the Tucson Metropolitan Ministry. He was chatting with the three Salvadorans in the back seat when he spotted a Border Patrol cruiser lurking by the side of the interstate, about ten miles outside Nogales. When Conger gently pumped the brakes, the siren came on.

