I picked up the phone. It's like, Steve, we got a problem.

I said, okay, what happened? He says, we've been hacked.

I said, oh, my God.

And with that, the first shots were fired in the sweeping cyber assault on state voting systems

that U.S. intelligence has tied to the Russian government.

We now realize that we are potentially dealing with something way more serious.

60 minutes investigates what happened and finds bipartisan agreement that our democracy is under attack.

Are we doing enough?

No.

Whoa, this is something.

There are 805 steel markers, one for each county where lynchings took place all across this country.

So far, the Memorial's research team has evidence of more than 4,300 lynchings beginning

after the Civil War.

Every name has its own story.

Yes, that's right.

Eliza Cowan was lynched in Lawrence County, South Carolina.

Eliza, a woman.

A woman.

If they couldn't find the man they were looking for,

they would lynch that man's wife or daughter or child.

When you heard the word Alzheimer's, what did that do to do?

I was devastated.

...