There's a real brutality to the death penalty you can't get away from

Dan Walker tells YOLANTHE FAWEHINMI why he wanted to take a closer look at America's capital punishment system

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Even though America is a very civilised country, there's a real brutality to the death penalty, which you can’t get away from.

What are the most surprising things viewers may learn?

Whenever people talk about death row, they always ask what your last meal would be. And I think the biggest surprise is that there is no last meal. They don’t do it anymore.

The other thing is that it’s a far more nuanced debate. We haven't put anyone to death in this country for many decades. But if you asked what people think of the death penalty, various polls will tell you that somewhere between 30 and 35% of people will agree with it, if you mention a specific crime or criminal.

It's certainly a relevant debate to have here. And I know many people would say they want to bring it back for certain crimes, but I don’t think we ever will because of the finality of it, which really strikes me.