Take your pick. You still won’t know the truth.
https://www.theguardian.com/world/2018/sep/25/a-smell-of-death-mexicos-truck-of-corpses-highlights-drug-war-crisis report states:
…“There are 20 other states with the same problem,” said Octavio Cotero, who was fired as director of the Jalisco Forensic Science Institute (IJCF) after the trailer’s discovery…
From https://www.theguardian.com/world/2018/sep/17/mexico-jalisco-trailer-full-of-corpses
The row over the trailer – which erupted as the country celebrated its national day on Sunday – was yet another reminder of the grim toll from the country’s decade-long drug war.
Mexico’s homicide rate hit a record high in 2017 with 29,168 murders registered. The country recorded 2,599 homicides in July 2018, its most murderous month since 1997, when Mexico started keeping such statistics.
It was not the first time that the bloodletting has been so severe that local morgues have run out of space – similar incidents have occurred in the opium heartlands of Guerrero.
But the gruesome episode in Guadalajara has underlined how violence has spread to all corners of the country. The surrounding Jalisco state has deteriorated rapidly in recent months: 15 people were injured in May when a gun battle erupted in the city centre after a brazen assassination attempt on the state’s employment secretary…
Or perhaps you prefer the Guadalajara Fantasy that accomplished travelers of the World sell. That is, if you can put up with the roundabouts like the well grounded el Norte millennial couple in the video.