Anne Smedinghoff, a Foreign Service officer at the U.S. Embassy in Kabul, was escorting Afghan journalists on an outing when a roadside bomb killed her in 2013. The bomb’s design relied on fertilizer made in Pakistan, at two factories that regularly supplied a nearby Taliban bomb-making operation — a fact that U.S. authorities had publicized.The factories, Fatima Fertilizer and Pakarab Fertilizers, were not fly-by-night organizations. Both did business in U.S. dollars through accounts at the London-based bank Standard Chartered.Now Ms. Smedinghoff’s family and a group of nearly 500 others — including soldiers and civilians who were severely …
