A federal judge in Los Angeles finds "a mountain of evidence" to support the claim that federal agents are arresting Southern Californians based on their race, accents, or the work they're engaged in.

NPR's Adrian Florido spoke with LA protesters about why they're waving that symbol now. ADRIAN FLORIDO, BYLINE: On conservative media outlets, there's been a steady stream of outrage all week.

NPR's Adrian Florido reports from San Juan. ADRIAN FLORIDO, BYLINE: Standing in front of her house in San Juan's biggest Dominican neighborhood, Dolores Espiritusanto says, she is now always on ...

MARTIN: NPR's Adrian Florido is in Los Angeles and is with us now to tell us more about all this. Good morning, Adrian. ADRIAN FLORIDO, BYLINE: Good morning, Michel.

We're joined now by NPR's Adrian Florido. Hi, Adrian. ADRIAN FLORIDO, BYLINE: Hi, Ailsa. CHANG: Hi. OK, so just catch us up real quick and give us the background on this case.

Adrian Florido is a national correspondent for NPR covering race and identity in America. Dear Reader Your generous support ensures that this trusted public news service is accessible to all, no ...

NPR's Adrian Florido spoke with LA protesters about why they're waving that symbol now. ADRIAN FLORIDO, BYLINE: On conservative media outlets, there's been a steady stream of outrage all week.

ADRIAN FLORIDO, BYLINE: Well, they started on Friday, A, when immigration agents carried out raids at a Home Depot and at some downtown LA warehouses and began rounding up immigrant workers.