• Activists hold signs reading "We are missing 43," as several hundred supporters of 43 missing teachers college students and their families marched to demand the case not be closed and that experts' recommendations about new leads be followed, in Mexico City, Tuesday, April 26, 2016. The U.N. Office of the High Commissioner for Human Rights said Tuesday that it is troubled by a group of international experts' complaints of obstacles to their investigation into Sept. 26, 2014 disappearance of the students in southern Guerrero State.(AP Photo/Rebecca Blackwell)

    UN office ‘concerned’ over Mexico missing students case

    MEXICO CITY (AP) — A U.N. human rights office said on Tuesday that it is troubled by a group of international experts’ complaints of obstacles to their investigation into the disappearance of 43 students in Mexico.

  • Spokesman Felipe de la Cruz, center speaks on behalf of parents of some of 43 missing students during a press conference to give the families' response to a report issued Sunday by the Inter-American Commission on Human Rights expert group in Mexico City, Monday, April 25, 2016. There is strong evidence that Mexican police tortured some of the key suspects arrested in the disappearance of 43 students, according to the report. The group also complained the government was slow to deliver some of the evidence it had asked for and criticized government prosecutor's investigations as flawed and incomplete. (AP Photo/Rebecca Blackwell)

    Parents of missing Mexican students slam government probe

    MEXICO CITY (AP) — The parents of 43 missing students who disappeared in September 2014 accused Mexico’s government on Monday of lying to them, planting evidence and not adequately investigating the case.