As the fallout from Hurricane Harvey continues, a potential public safety crisis has emerged affecting Houston’s nearly 600,000 undocumented immigrants. President Trump could announce as early as today that he will end the Deferred Action for Childhood Arrivals program, or DACA, which provides legal status for some 85,000 Houston residents and nearly 800,000 people nationwide. Without the status, many residents will be unable to work and rebuild after the storm. Compounding the problem for immigrants, Texas will officially outlaw sanctuary cities on Friday, threatening police chiefs and city officials with criminal sanctions and penalties if they do not help deport immigrants. The law known as SB 4 is being challenged in court, but a federal judge has yet to rule on whether it can take effect. This has prompted concern that many immigrants are not coming forward to seek help amid the flooding because they fear being detained and deported.