"Aerial spraying of a marijuana field near a Rarámuri village carried out by the Federal Attorney General's Office Procuraduría General de la República, PGR) left 300 sick and injured and may have killed a two-year old girl according to the Chihuahua State Human Rights Office (Comisión Estatal de Derechos Humanos, CEDH)."
Source
Macias Medina, Silvia, "PGR Allegedly Sprays Marijuana Field, Killing Child and Injuring 300", reprinted in Frontera NorteSur, originally published in El Diaro, August 5, 2000.