" In the past year or so, a disquieting change had come slowly to Pinehaven County: occasional outriders from MS-13 and other Central American gangs, scouting for opportunities like remote and easily concealed locations for meth labs, checking out the strength and determination of local law enforcement. There had been incidents between them and a few deputies, nothing too alarming. But a pretty teenager, Jenna McCall, had vanished without a trace; she’d been a good student, a devoted daughter, not the kind of girl who opted to be a runaway. And Jimmy Talbert, thirteen, had been riding his bike on an unpaved forest-service road when he’d been struck by a hit-and-run driver and left to bleed to death. There hadn’t been a case of hit-and-run in Pinehaven County in thirty-six years. So "