Originally Posted by
arttravel
From an administrative point of view, why jail the passenger when the passenger can just be shipped back to point of origin?
Exactly. There is no „jail“ before immigration and once the pax is through immigration he is Mexico‘s problem instead of LH‘s. So why let him enter the country. Mexico is not the only country to handle these things this way.
Have seen this a few times happening in the U.S.,
too, unusually involving incomplete documents before APIS.