Guanajuato, Mexico's most violent state
Throughout the country, 71 massacres occurred in which at least 486 people were killed in 22 states. The entities that reported the most cases were Guanajuato, with 20 massacres; Zacatecas, with 8; Michoacán, with 7; Guerrero, with 4; and San Luis Potosí, with 4.