Over the course of a year, Luke Dittrich will be walking the entire 1,933 miles of the Mexico-US border “from the beach to Gulf” with a stroller. The first in a series.

Scenes from the new Tijuana: two teenage brothers from the country club set descend into the cartel underworld, bored federales guard the acid pit where hundreds of bodies were erased, families picnic through a chain-link border fence.