From the trusted team behind 48 hours, welcome to case-by-case.

Your weekly update on the biggest true crime stories unfolding right now.

Nick Ryder remains in custody without bail.

Luigi Mangione accused of stalking and gunning down United Healthcare CEO Brian Thompson.

From high-profile trials and stunning evidence to major breaks in cold cases. We'll follow it all

case by case. Follow and listen to 48 hours case by case wherever you get your podcasts.

Good to be with you. I'm Tony DeCopple. The breaking news right now. The outbreak expands now

nearly a dozen possible haunt of virus cases as passengers from

that stricken cruise ship arrive in the U.S. to quarantine. But who decides for how long? Plus,

grading the CDC what the acting director told us about the federal response. Also developing

tonight, a gunman opens fire at passing cars along the Charles River

near Boston.

One witness telling CBS, I was running for my life, what police are saying tonight.

And a frontier airlines jet hitting and killing someone while taking off at Denver International

Airport. What was that

person doing on the runway? A CBS exclusive, the Oklahoma High School principal, who took down

a gunman at school. What he told our Matt Gutman about that decision.

Thirty-seven years, you go through trainings and drills and what you should do. That all goes out the window.

And the major move from the Coast Guard what it means for the case of the American woman missing in the Bahamas.

The good stuff tonight. Meet the man whistling his way through our national anthem.

From CBS News headquarters in New York, this is the CBS Evening News with Tony DeCopold.

Good evening. They're back. 18 American citizens potentially exposed to the Hanta

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