Initial Point of Boundary Between U.S. and Mexico - Wikipedia
The border scene as Title 42 immigration restrictions expire - The San Diego Union-Tribune
On the US-Mexico border, a corridor of surveillance becomes lethal- Coda Story
History of San Ysidro, Mexico Insurance Services
San Diego–Tijuana - Wikipedia
Above The Border, New Walkway Spans The Gap Between U.S. And Mexico : The Two-Way : NPR
The development of tunnels along the US-Mexico border •
Two Cities, Two Countries, Common Ground - The New York Times
Drawing a Line: Encounters with the U.S.-Mexico Border — Incendiary Traces
Hurting people': The 'cover-up teams' operating on the US border, US-Mexico Border
Tijuana, Mexico, Map, History, & Facts
For a Preview of the Border Wall, Look to California - The New York Times
Border Construction May Cause Flooding In Poor Tijuana Neighborhoods
WOLA Report: Lessons From San Diego's Border Wall