Then they either steal or hold up the vehicle in the hopes of bargaining for food.
There is a really good comment by a reader named Tom below that seems quite reliable with very relevant info as of mid 2021 that you should probably read.
One Venezuelan mother, 30-year-old Marie Chaparral, routinely treks across to Colombia to seek healthcare and vaccines for her three young children, one being only a few weeks old.
Without passports or work permits, the Venezuelans — many with university degrees or decent jobs in what was once the wealthiest nation in Latin America — are now resorting to whatever it takes to survive.