Now playing Next USA Trump claims walls work, but the discovery of border tunnels says otherwise NBC News' Jacob Soboroff got a tour of a lengthy and deep underground passage near San Diego. 16/01/2019
Now playing Next USA Shutdown, Brexit wobble the West First Read is your briefing from "Meet the Press" and the NBC Political Unit on the day's most important political stories and why they matter. 16/01/2019
Now playing Next USA Who let the dogs out? Robotic pooches could deliver packages right to your door The battery-powered pooches can climb stairs and even ring the doorbell. 15/01/2019
Now playing Next USA Texas woman took her own life and two girls found near her were murdered Even though the medical examiner ruled Olson's cause of death a suicide and the two girls homicides, an official said it's still too early to say who killed the younger victims. 15/01/2019
Now playing Next USA Alleged R. Kelly victim accuses singer of threats "Taking a stand against R. Kelly, someone who has been termed 'the king of R&B' and is loved by many has not been easy," Faith Rodgers said Monday. 15/01/2019
Now playing Next USA It's Day 24 of the partial government shutdown. Here's how we got here. First Read is your briefing from "Meet the Press" and the NBC Political Unit on the day's most important political stories and why they matter. 14/01/2019
Now playing Next USA Facility launches internal probe after woman in vegetative state gave birth Phoenix police have already executed a search warrant seeking DNA samples from male staff members at the center. 14/01/2019
Now playing Next Germany US threatens sanctions on German firms building Nord Stream 2 gas pipeline The German-Russian proposal to construct the new Nord Stream 2 natural gas pipeline under the Baltic Sea threatens a US-German diplomatic conflict 13/01/2019
Now playing Next USA Democrat Julián Castro announces 2020 presidential bid Castro, of Mexican-American heritage, made the announcement from his hometown of San Antonio, Texas. 12/01/2019
Now playing Next USA Julián Castro thinks he could be Democrats' 'antidote to Donald Trump' "Mine is an immigrant story," Castro said. "It's an American dream story. It's a testament that everybody counts in this country." 11/01/2019
Now playing Next USA Woman and two teenagers found dead inside luxury Texas home Authorities asked neighbors in the gated, upscale neighborhood near San Antonio to turn over any security video they may have. 11/01/2019
Now playing Next USA 'There's no money': Shutdown freezes HUD funds for the elderly "If something major broke, I wouldn't have the funds to replace it," said a manager of an affordable housing building for seniors in Florida. 11/01/2019
Now playing Next USA Nuns on the run: Vatican's new track team dreams of Olympic glory It aims to "promote culture and running and launch the message of solidarity and the fight against racism and violence of all types." 11/01/2019
Now playing Next USA 2 passengers arrested after threatening to open jet's doors on delayed flight After a diverted Aeromexico flight sat on a tarmac for at least three hours, two passengers "became unruly" and law enforcement was called. 11/01/2019
Now playing Next USA Raucous protests against California utility PG&E that is facing wildfire claims One tearful protester said she was speaking for the dozens of people killed in the Camp Fire "who cannot speak for themselves." 11/01/2019
Now playing Next USA Trump could take billions from disaster areas to fund wall Under the proposal, Trump could dip into money set aside to fund civil works projects all over the country including storm-damaged areas of Puerto Rico. 10/01/2019
Now playing Next USA Flying cars could take off as soon as 2023 From a one-person flying car to a luxurious five seater, companies are racing to launch the first flying car. 10/01/2019