How To Catch A War Criminal (In Beaverton)

Nigel Duara: Thirty-three minutes before sunrise one April morning, a man in black tactical gear slammed a battering ram through a cheap plywood door at a run-down Beaverton apartment complex, 50 feet from the Tualatin Valley Highway. He and a half-dozen armed officers poured into the second-floor apartment, screaming for anyone inside to come out, palms open, hands up. A woman named Sammy Yetisen emerged, as did her father and her son, a grade-schooler.

Down the street, in an unmarked car, sat the man who'd spent months studying Yetisen. Ted Weimann, a Portland-based investigator for the Department of Homeland Security, had woven the details of this woman's life, behavior, and movements…