Border Patrol agents we spoke to aren’t sure how a border wall will change the dynamics between law enforcement and people trying to evade them. But drug tunnels, patches to the border fence and rings of concertina wire serve as reminders that for every measure taken to fortify the border, there have always been countermeasure to get around them.

Last school year, one-third of students in the San Ysidro School District were identified as homeless. In this short web documentary, Catalina Rios discusses her family’s struggle to find and afford stable housing. After living in a junkyard, Rios and her children now crowd into a tiny trailer.

San Ysidro’s demographics and its location on the border contribute to a unique set of housing woes. “I can’t get my green card without an address, I can’t work without a green card and I can’t afford an apartment without work,” said one resident whose struggle is familiar to many community members.