Four bodies were found on an Indiana farm in 1983. The remains of Keith Lavell Bibbs, 16, of Chicago, were the last to be identified. All were victims of the serial killer Larry Eyler.
Members of an international panel said that the Mexican armed forces had repeatedly obstructed their efforts to investigate the 2014 disappearance and that they were leaving the country.
The disappearance and killing of Gretchen Harrington in Broomall, Pa., had been a mystery for decades. The authorities said on Monday that a former leader at the girl’s church had been charged.