Three altar boys waited to enter the papal mass in their red-and-white outfits and silver crosses. They came with a church group from Cuauhtemoc, in Mexico's Chihuahua state, where they grew up distrusting police.
"The only ones who protect us are the cartel of Juarez, the narcos. They defend us," said Isai Solano, 14, while eating fried beans and salsa he had bought in a plastic bag.
He especially distrusts the federal police who, despite all the public rhetoric about things becoming safer, he said still act with impunity.