A man on the terror watchlist spent nearly a year inside the U.S. after being apprehended and released by Border Patrol agents. He was arrested last month and released again by a judge who was not told he was a national security threat.

Julia E. Ainsley reports.

Shot in the head after ringing the wrong doorbell nearly a year ago, Ralph Yarl is coping with the lingering effects on his mental health while fighting to chart a path forward.

Antonia Hylton speaks with Yarl and his family.

Arizona’s 160-year-old near-total abortion ban is sparking intense bipartisan backlash, leading state lawmakers to explore a possible repeal of the Civil War-era legislation before it goes into effect later this spring.

Hallie Jackson has the details.

Social media giant Meta plans to test a new feature in an effort to curb “sextortion” on its platform.

Savannah Sellers sits down in an exclusive interview with the company’s global head of safety to discuss the developments.

Kansas City Chiefs’ receiver Rashee Rice and another driver are charged with aggravated assault in connection with a crash that injured four people on a Dallas highway.

Priscilla Thompson has the latest.

EXCLUSIVE: Man on terror watchlist remains in U.S. after being released by Border Patrol. Julia E. Ainsley reports tonight nbcnews.com/investigations…

TONIGHT ON #NN : Antonia Hylton speaks with Ralph Yarl who is coping with the lingering effects on his mental health after being shot in the head after ringing the wrong doorbell nearly a year ago.

TONIGHT: @watchsavannah talks with Meta’s Global Head of Safety, Antigone Davis about new tools the company is testing for Instagram aimed at protecting users from online predators

O.J. Simpson, the former NFL star who was acquitted of murdering his ex-wife and her friend in a televised trial that gripped the nation, has died of cancer at age 76. NBC News' Jay Gray reports on his life and controversial legal history. nbcnews.com/video/o-j-simp…

O.J. Simpson, former NFL star whose murder trial gripped nation, dies at 76 nbcnews.com/news/us-news/o…

The owners of Just-In-Time Recreation, the scene of the Lewiston, Maine, deadly mass shooting last October, say renovations are almost complete, and the bowling alley will reopen on May 3.

Emilie Ikeda reports.

An artificial intelligence program called Vitruvius can help people design the plans for new homes and other architectural projects, potentially making the process faster and cheaper.

Diana Olick takes it for a spin.

For the first time, the Environmental Protection Agency has established national limits for six types of “forever chemicals” in drinking water.

Anne Thompson has the details.

Former President Donald Trump distanced himself Wednesday from Arizona’s Civil War-era ban on abortion, criticizing the law and saying the state “went too far.”

Dana Griffin reports.

A shooting at Ramadan celebration in Philadelphia leaves 3 wounded, 5 people arrested. @GeorgeSolishas the latest coming up on NBC Nightly News
nbcnews.com/news/us-news/s…

TONIGHT: Just-In-Time Recreation owners Justin and Samantha Juray speak with Emilie Ikeda about their decision to reopen their bowling alley that was one of two sites of the Lewiston, Maine mass shooting.

NEXT on NBC News NOW: American Hostage Families: Six Months Later

The Arizona Supreme Court ruled Tuesday that a 160-year-old near-total abortion ban still on the books in the state is enforceable, a decision that adds the state to the growing list of places where abortion is effectively banned.

Laura Jarrett has the details.

Facing a wave of random street and subway violence, a deepening migrant crisis and the fatal shooting last month of an officer during a routine traffic stop, NYPD Commissioner Caban sits down with Tom Llamas to discuss why he believes the country's largest city remains safe.

Concerns are mounting over another Boeing airplane after new whistleblower allegations about the safety of the 787 Dreamliner.

Tom Costello has the story.