The incident took place in the village of Rio Bravo, near the Guatemala City.
According to media reports, the girl was allegedly part of a gang who killed a taxi driver. The entire incident has been captured in the camera.
The video reveals the brutality of the lynchings that are routine in the poor, central American country - and throughout the region.
The girl was caught by mob and beaten mercilessly. In the video the girl was found bleeding profusely. Even police were stopped by bystanders to intervene in it.