Tonight, another mass shooting in America. This time at a Virginia Walmart, six people are dead and seven others injured. The alleged gunman was the overnight store manager. Police are searching for a motive after he opens fire inside the store before killing himself.

CBS's Jeff Begays is on the scene.

This pain, you can't even describe it.

New requests from the Department of Justice.

CBS News has learned federal investigators want to talk to former Vice President Mike Pence.

We have the late-breaking details.

Millions of Americans travel in a last-minute dash to their holiday destination.

Were you worried the drive was going to be apocalyptic?

Yes, very worried.

CBS's Chris Van Cleave is on the road, plus a troubling weather forecast for your trip back home.

Colorado shooting suspect in court, the first look at the alleged gunman who faces multiple

counts of murder and hate crime charges.

Stopping a silent extinction, the race to save giraffes.

And a special delivery, thanks to a big sister who lived up to her name.

She did amazing.

She never questioned anything.

She did exactly as she was asked.

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

Good evening and thank you for joining us tonight. I'm Jerica Duncan in for Nora.

We began with yet another mass shooting in this country. The latest took place inside of Walmart in Chesapeake, Virginia,

when a store manager opened fire on his fellow employees.

Six people were killed, including a 16-year-old boy. Seven others were injured.

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