Human rights commission pushes special prosecutor for case of Mexico's 43 missing students

A man holds a banner that reads in Spanish "Justice," as he pays his respects at a newly erected momument at the place where Julio Cesar Mondragon's body was found, during a march by parents and relatives of 43 missing students and 3 who were killed, in Iguala, Guerrero State, Mexico, Sunday, Sept. 27, 2015. One day after marking the one-year anniversary of the students disappearance with a march in Mexico City, relatives and current Ayotzinapa students visited Iguala to march and place flowers and candles on two new monuments to the students who were killed.(AP Photo/Rebecca Blackwell) (The Associated Press)

A flower rests next to hands reaching upward on a newly erected monument for two of three students killed on the day 43 others disappeared just over a year ago, in Iguala, Guerrero State, Mexico, Sunday, Sept. 27, 2015. One day after marking the one-year anniversary of the students disappearance with a march in Mexico City, relatives and current Ayotzinapa students visited Iguala to march and place flowers and candles on two new monuments to the students who were killed. (AP Photo/Rebecca Blackwell) (The Associated Press)

Offerings adorn the spot where Julio Cesar Mondragon's body was found, after parents and relatives of 43 missing students and three who were killed visited a newly erected momument to Mondragon at the road's edge, in Iguala, Guerrero State, Mexico, Sunday, Sept. 27, 2015. One day after marking the one-year anniversary of the students disappearance with a march in Mexico City, relatives and current Ayotzinapa students visited Iguala to march and place flowers and candles on two new monuments to the students who were killed.(AP Photo/Rebecca Blackwell) (The Associated Press)