Hey, I'm Brian Stelter. It's time for reliable sources. This is our weekly look at the story behind the story of how the media really works, how the news gets made, and how all of us can help make it better.

This hour, a slew of new charges against... and how all of us can help make it better.

This hour, a slew of new charges against Julian Assange have First Amendment advocates bracing.

Plus, in San Francisco, a police raid on a freelance reporter is causing widespread concern.

We'll go live to San Francisco later this hour.

And later, 60 Minutes correspondent, Scott Pelley joins us live

with his reflections from a brand new book.

But first, a story. with his reflections from a brand new book.

But first, a story that we've all been following for the past few days.

Move over deep fakes.

Look out for dumb fakes.

You've heard of deep fakes, right? It's a term for sophisticated technology

that makes totally fake videos look real. It is going to be a problem in the future.

But right now the bigger problem, quite frankly, are dumb fakes like that doctor

distorted video of Nancy Pelosi they got everyone's attention a few days ago it was

a dumb fake you can see it here on Facebook where it racked up millions of views.

The House Speaker's voice was obviously slowed down significantly,

to make it sound as if she was slurring her words.

It's dumb, it's pathetic, but it was persuasive.

Some people were primed to believe it, or at least to get a laugh out of it.

As I said, it racked up millions of views on Facebook until fact-checkers

did be bunk the video, explained how it was faked, and the social network

...