Watch Canoa: A Shameful Memory (1976)
CC 
Canoa: A Shameful Memory (1976)

Canoa: A Shameful Memory (1976)

A group of students arrives in a small town during a hiking expedition. Once there, the local priest accuses them of being communist agitators on the run from an army crack-down against student demonstrations in nearby Mexico City and rallies the townsfolk to lynch them. Based on true facts occurred in the town of Canoa in 1968.