What is the Chinese government's ultimate goal?

They want to develop certain segments of industry, and instead of trying to out-innovate,

out-research, out-develop, they're choosing to do it through theft.

John Carlin is the Assistant Attorney General for National Security with responsibility for counterterrorism and cyber attacks.

He believes the Chinese government is stealing from every sector of the U.S. economy.

Corporate espionage is costing billions of dollars and millions of jobs.

Part of the strategy in all this was to kill us.

They set out to kill you. To kill the

company. My article should not have made this much noise. El Chapo should not have been

this popular a figure to read about. Tonight, the story behind Sean Penn's secret meeting with

El Chapo, why did he go, where did he learn,

who is Kate del Castillo, and how does Penn feel about the criticism of his trip?

Of course, I know that there are people who don't like me out of the gate.

You're not without controversy. Not without controversy. Fair enough.

Los Angeles and its suburbs are home to 19 million people,

the only megacity in the world where mountain lions live side by side with humans.

For 13 years, the National Park Service has been studying the animals,

opening a window on their mysterious world,

and raising questions about their survival in the land of freeways and suburban sprawl.

I'm Steve Croft.

I'm Leslie Stahl.

I'm Bill Whitaker.

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