San Fernando is a city located in the Mexican state of Tamaulipas; it serves as the seat of the surrounding municipality of the same name.

San Fernando, Tamaulipas, is notorious for experiencing two of the largest recorded massacres of the Mexican drug war.

[2] The 58 men and 14 women were believed to be undocumented migrants from South and Central America trying to cross the border to the United States.

[5] Twenty one rifles, 101 ammunition clips, four bullet-proof vests, camouflage uniforms and four vehicles were seized by officials.

[7] The massacres and the Mexican government's response are the subject of San Fernando: Última Parada, a book written by journalist Marcela Turati.