Hacked-up bodies found inside coolers aboard trucks — along with warning message from Mexican cartel

An undetermined number of hacked-up bodies have been found in two vehicles abandoned on a bridge in Mexico's Gulf coast state of Veracruz, prosecutors said Monday. A banner left on one of the vehicles included an apparent warning message from a powerful cartel.  

The bodies were found Sunday in the city of Tuxpan, not far from the Gulf coast. The body parts were apparently packed into Styrofoam coolers aboard the two trucks.

A printed banner left on the side of one truck containing some of the remains suggested the victims might be Guatemalans, and claimed authorship of the crime to "the four letters" or The Jalisco New Generation Cartel, often referred to by its four initials in Spanish, CJNG.