The Mexican Secretariat of National Defense (SEDENA) announced that a mechanical workshop located in Tuxtla Gutiérrez, Chiapas, specialized in building armored vehicles for the Sinaloa Cartel ...

such as the Gulf cartel and the Northeast cartel, use the armoured trucks to fight each other. Mexican security forces call these vehicles monstruos (monsters), but they are also known as ...

The vehicles, which are also referred to as "Frankenstein trucks" because of the modifications made to them - such as adding gun turrets and armoured plates - were seized by the security forces.