Mexico's Attorney General Office (PGR) arrested the principal of a primary school in Ignacio de la Llave, Veracruz, for child pornography.
The man, 52, stored and produced sexual videos with underage students at the school or his house.
He had worked as a teacher for 25 years.
Mexico's Federal Police, Interpol-Mexico and the Federal Criminal Police Office of Germany participated in the investigation, the PGR said in a press release.
