Police step up effort to evict homeless from Tijuana canals
About 1,000 homeless people live in Tijuana, many of them migrants on their way to the U.S. Hundreds dwell in makeshift tents or storm drains in the branching tunnels of the Tijuana River canal, despite the local police force’s best efforts to evict them. But as the raids grow more severe, many fear for their safety--and their lives. Special correspondent Jean Guerrero of KPBS Fronteras reports.