Federal police detained yesterday Iguala Mayor Jose Luis Abarca and his wife, Maria de los Angeles Pineda, who are accused of ordering the Sept. 26 attacks on teachers' college students that left six dead and 43 still missing.
Thousands Protests for Missing Mexico Students

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Relatives holding posters with images of the missing students march in protest for the disappearance of 43 students in the state of Guerrero, in Mexico City, Nov. 5, 2014.

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Demonstrators holding posters of Mexico's President Enrique Pena Nieto, right, and Attorney General, Jesus Murillo Karam, left, march in protest for the disappearance of 43 students in the state of Guerrero, in Mexico City, Nov. 5, 2014.