The names and pictures of 43 kidnapped students from The Raúl Isidro Burgos Rural Teachers' College (known as the Ayotzinapa normal school) are displayed at the entrance to the town of Tixtla, just down the road from Ayotzinapa, where the school is located. Tixtla, Mexico. November 13, 2014.
Protesters burned the Guerrero state congress building on November 12, 2014. Demonstrators across the country, fed up with cartel impunity and government corruption, called for justice and accountability. Chilpancingo, Mexico. November 13, 2014.
Police officers block a street near Mexico City's main plaza before a massive demonstration. Protesters demanded President Enrique Peña Nieto's resignation and chanted "Vivos se los llevaron y vivos los queremos" (They were taken alive, we want them alive). Mexico City, Mexico. November 20, 2014.
Activists from a socialist organization in Michoacan. Students from teachers colleges all over Mexico as well as parents of the missing students lived at the school for months after the 43 disappeared. Ayotzinapa, Mexico. November 14, 2014.
A student in Tlatelolco paints her hand with the number "43" for the 43 missing students just before a massive march to Mexico City's main plaza. Much of the outrage here came from the revelation that the Iguala city mayor and his wife were responsible for the students' disappearance and, along with the Guerrero state governor, were deeply involved with the Guerroros Unidos cartel. Mexico City, Mexico. November 20, 2014.
A student from Ayotzinapa walks past one of many revolutionary themed murals at the school reading, "We are rebel dignity". The school has a strong tradition of leftist politics and agitating for workers' and indigenous rights. Normal schools train students– often referred to as normalistas– in established teaching standards, or norms. Ayotzinapa, Mexico. November 13, 2014.
Students gather in Tlatelolco just before a massive march to Mexico City's main plaza. Mexico City, Mexico. November 20, 2014.
An outline of a corpse, labeled Estado (State), is painted on the road circling Mexico City's main plaza. The words above it read Una Fosa Para El Estado, (a grave for the state). Mexico City, Mexico. November 20, 2014.
Relatives of the missing 43 students attend a massive demonstration in Mexico City, Mexico. November 20, 2014
Pictures of the kidnapped students are strung across the central square in the Guerrero state capital of Chilpancingo. Teachers from across Mexico set up a tent camp in the town square demanding improved education conditions in Mexico. Chilpancingo, Mexico. November 12, 2014.
Bernardo Campos Santos' son, José Ángel Campos Santos, was among the 43 kidnapped students. Ayotzinapa, Mexico. November 13, 2014.
Two students from a normal teachers college in Chiapas spend time together outside the classroom where they've been living at the Ayotzinapa normal school. Ayotzinapa, Mexico. November 13, 2014.
The intersection in Iguala where the 43 students were kidnapped and another six were killed. The writing on the wall, "49 Dead," suggests that the 43 missing are also dead and blames the ousted Guerrero state governor Angel Aguirre. Iguala, Mexico. December 4, 2014.
Federal police gather for their morning formation in Iguala, Mexico. In the wake of the students' disappearance and widespread civil unrest, the federal government dissolved municipal police forces across the country and replaced them with state and federal police. Iguala, Mexico. December 5, 2014.
A worker with the Procuraduría General de la República (Mexico's Attorney General) sits in a church basement taking DNA samples. As more mass graves were found in the area, families with missing relatives tested their DNA to help identify remains. Iguala, Mexico. December 5, 2014.
Guerrero State police officers make their way to guard duty at the garbage dump where the charred remains of what is believed to be the 43 students were found. An estimated 22,000 people have disappeared in Mexico over the past eight years. Cocula, Mexico. December 4, 2014.
A man looking for his kidnapped son scans the surrounding area during a civilian search in Cocula, Mexico. Residents say the cartels have been burying their victims here for years. Cocula, Mexico. December 5, 2014.
A group of volunteers walks through the hills looking for signs of graves or human remains during a civilian search party in Cocula, Mexico. December 5, 2014.
Volunteers searching for bodies of disappeared individuals came upon a set of women's clothing which they believed could have belonged to a victim. Cocula, Mexico. December 5, 2014.
A farmer in Cocula, Mexico. December 5, 2014.