You're listening, add-free, on Wondry Plus.

I think you still have lots of secrets.

Sure, yes.

He's the highest ranking defector from North Korea in decades.

And you're about to hear why he thinks the situation is as dangerous as it has ever been.

The American general in charge of Korea would agree with that,

and told us how the US would respond to Kim Jong-lun's use of nuclear weapons.

It will be met with an effective and overwhelming response.

White North Korea off the map.

Whatever overwhelms you.

Pain is my constant companion.

Roger Stringer is in pain because his son, Zach, shot and killed his kid brother

with his Remington 700 hunting rifle.

But Zach said he never pulled the trigger.

Years later, the family learned the rifle had a trigger defect.

Has Remington ever admitted wrongdoing?

Never. You cannot admit wrongdoing when you have seven million of these things on the market.

Just knowing how vulnerable I was as a kid just ruined me.

The girls would say, yeah, he touches you funny.

They were top USA gymnasts who are on 60 minutes tonight to reveal an awful secret.

Years and possibly decades of sexual abuse inside the USA Gymnastic system,

including some of America's top Olympians.

...