The LAPD once stopped American migration at the California border — to keep out the poor

In an extraordinary episode in U.S. migration history, Los Angeles police stopped fellow Americans from crossing state lines into California.
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Uncovering a surveillance camera network along California's border

SAN DIEGO, Calif. - On a cracked two-lane road on the eastern edge of San Diego County, James Cordero eased his Jeep onto the shoulder after spotting what looked like an abandoned trailer. Inside, he ...