On the "On the Road in Mexico" Facebook page there have been people turned away from Nogales km21 in one ton trucks although one said they had to go back to the border to Aduenda to get certified as p...
I absolutely agree that Mexico needs to do at least as much as the US does for "foreigners" entering their country. Everyone must be protected.
If that means checking everyone's vehicle permit and tourist permit and searching the vehicles, that's great. The US puts non US citizens through at least as much.