Thousands protesters march to demand justice for the disappearance of 43 students in the state of Guerrero, in Mexico City, Mexico on October 8, 2014.<br />
Mexico&rsquo;s federal forces took over security in the city of Iguala, state of Guerrero, and began searching for 43 college students that went missing&nbsp;after violent confrontations during a political protest that took place on Sept. 26 and left six people dead, 25 wounded and 43 missing. The federal officers arrived after the discovery of a mass grave containing 28 unidentified bodies outside Iguala, amid suspicion that local police conspired with an area drug gang &ldquo;Guerreros Unidos&rdquo; to massacre dozens of students. DNA testing to confirm the identities of the remains is expected to take weeks. (Photo by B&eacute;n&eacute;dicte&nbsp;Desrus)