Tonight, the never before seen video of medics trying to revive George Floyd as the jury in Derek Chauvin's trial hears emotional testimony from Floyd's girlfriend of three years.

The shocking new images tonight from inside the ambulance as paramedics tried to save Floyd's life.

But one EMT said it was too late when they arrived on the scene.

In late terms, I thought he was dead. Plus, Floyd's girlfriend shares their struggle with opioid

addiction. Office massacre, chilling details of a shooting outside of Los Angeles that left four

dead, including a nine-year-old boy.

Vaccine mix-up, was it human error that spoiled 15 million Johnson and Johnson doses?

Long-term protection. Good news tonight from Pfizer about its vaccine.

Easter guidelines how the CDC says Americans should celebrate the holiday with fears of a

fourth wave brewing. Border crisis apprehensions up 50 percent. We'll take you to a small town

in Arizona where border patrol drops off dozens of asylum seekers. President Biden's first

cabinet meeting.

Our exclusive interview tonight with Interior Secretary Deb Hallen, the first Native American

cabinet secretary in U.S. history.

Opening day in the snow, baseball's back, and by the looks of it, so is winter.

A Girl Scout record. Guess how many cookies this eight-year-old sold? It's pretty impressive.

And the COVID journals recording memories through a year of pain, sorrow, and hope.

This is the CBS Evening News with Nora O'Donnell, reporting from the nation's capital.

Good evening, and thank you for joining us.

We're going to begin tonight with dramatic video from inside the ambulance as paramedics struggled to revive George Floyd last year.

The footage, some of which had never been seen publicly, was shown during a day of gripping testimony in the murder trial of former Minneapolis police officer Derek Chauvin.

The 19-year police veteran is charged with killing Floyd by kneeling on his neck for nine and a half minutes.

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