This is of especial interest to people living in the border states. Blog del Narco has pictures of a homemade armored personnel carrier fielded by the Zetas in the so-called drug war. As Justin Hyde at Jalopnik points out this is not a drug running vehicle but a paramilitary response to the government crackdown. The following video is of another homemade APC that is, as DefenseTech notes, very similar to the Vietnam war era gun trucks fielded by American forces.
Time to brush up on anti-armor operations border dwellers.