John Burnett

More than 500 investigators and bomb techs have streamed into Austin, Texas, to look for clues and to catch what they're now calling a "serial bomber."

Five explosions have killed two people and injured several more, one gravely.

Activists across the country say they are being targeted by federal immigration authorities for speaking out at protests and accusing the government of heavy-handed tactics.

The Trump administration has warned that anyone in the country illegally could be arrested and deported under tough new enforcement rules. And federal officials deny allegations of retaliation.

But the American Civil Liberties Union and other groups say they have documented two dozen cases of immigrant activists and volunteers who say they have been arrested or face fines for their work.

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SARAH MCCAMMON, HOST:

The Department of Homeland Security has undertaken its most extreme measure yet to discourage asylum seekers from coming to the U.S. — family separation.

Anytime someone is booked into a county jail for a crime in the U.S., his or her fingerprints are automatically sent to federal authorities. If the suspect happens to be an undocumented immigrant, what happens next could depend on where the jail is located.

Immigration and Customs Enforcement often asks jails to hold undocumented people, so federal agents can pick them up and put them into deportation proceedings.

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KELLY MCEVERS, HOST:

Copyright 2018 NPR. To see more, visit http://www.npr.org/.

MARY LOUISE KELLY, HOST:

The Trump administration has been aggressively deporting foreign nationals home around the globe, from Somalia to Slovakia. Though Mexicans, Central Americans and Haitians make up 9 out of 10 people removed from the United States, year-end figures analyzed by NPR show that deportations to the rest of the world have jumped 24 percent.

Hurricane Harvey caused catastrophic damage in Houston, but the historic deluge also brought calamity to the Houston Ship Channel and Galveston Bay. The aftermath of the storm threatens two vital industries — one mammoth and ironclad, the other small and slimy: shipping and oysters.

Fire Boat One cruises down the Houston Ship Channel — one of the hardest working waterways in America.

One of the casualties of Hurricane Harvey has been parts of Houston's thriving arts and culture community. Four days of torrential rainfall nearly drowned the city's opera, ballet, and theater companies, along with a revered mural. But they're drying out and starting over.

On Aug. 28, as engorged Buffalo Bayou crept into Houston's Theater District, Perryn Leech and Dean Gladden pulled on slickers and rubber boots and headed downtown for a look.

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