The train was one of several Mexican and Central American immigrants call "la Bestia" -- "the beast." It goes from Southern Mexico northward to Mexico's Northern border with the United States.
On the night of May 1, 2013, a criminal gang attacked a group of impoverished Central American migrants, who were riding on the top of a freight train passing through Cosoalacaque, in Veracruz, Mexico.
The Guatemalan Constitutional Court on May 20 threw out the guilty verdict of General Efrain Rios-Montt on technical grounds, plunging the whole country into a state of new insecurity.
A three-judge panel headed by Judge Jazmin Barrios sentenced him to 80 years in prison.
Former general and president Efrain Rios Montt will face charges for genocide and crimes against humanity.
The protesters were met by elements of the armed forces and the National Civil Police, who, evidently ordered to disperse them, opened fire, resulting in the deaths and injuries.
Soldiers terrorized and murdered at record levels during his tenure.
Guatemalan prosecutors announced Jan. 26 that 85-year-old Efraín Ríos Montt, military dictator in 1982-1983, was going to trial in March.
The Patriotic Party's General Otto Perez Molina, the one with the hard hand, won with 53.7 percent over the execution-happy businessman.
The Guatemalan government officially apologized to the family of ex-president Jacobo Arbenz, who was ousted by the military 57 years ago in a CIA-backed coup.