This is just one of a great many incidents, most underreported if reported at all, demonstrating that border control is a national security issue. This incident could be related to the jihad threat as well. Certainly many jihadists have entered the U.S. through Mexico.
“Syrian man caught trying to sneak into US at Mexico border,” by Paulina Dedaj, Fox News, April 3, 2019:
Border agents in California apprehended a Syrian national over the weekend, saying he’d attempted to enter the U.S. by hiding on a train.
Agents at the Calexico West Port of Entry were observing a commercial railcar as it passed across the border on Friday around 6:15 a.m. when officers observed something amiss on the lower side of the train using the port’s imaging system.
According to a press release from Customs and Border Protection (CBP), officers searched the train and discovered a 46-year-old man hidden in a compartment….
The man was interviewed and fingerprinted; the process revealed that he was a Syrian citizen with no paperwork to enter the U.S….