The killing of Antonio Zambrano Montes in Pasco was captured on video and shared widely online, sparking days of protests from the city's majority Latino community and the criticism from Mexican government and human rights activists.
They were forestry workers according to the first reports.
According to early investigations, it seems like a religious-motivated vendetta.
They were killed in the municipality of Coxcatlán.
Josué Flores was 11-years-old.
Officials plan to take another run at clarifying the progressive city's protections for people in the country illegally, a policy that led to criticism last year when a Mexican man killed a woman in a waterfront pier.
Luis Alberto Carrera Rodríguez, known as "El Negro," has been accused of several crimes.
Prosecutors filed their formal plan to pursue the death penalty against a Mexican national in the shooting death of a man a day after he allegedly killed four people in Kansas.
Carolina López Zamudio was in charge of the local expenses.
The judge also ordered the army to publicly apologize, clear the victim's name and pay his family damages.