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From the New York Times, I'm Michael Barbaro.

This is The Deep.

Today, as a teenager, Nora Jackson was convicted of murder and spent 11 years in prison.

But from the start, prosecutors possessed a single document that could have set her free.

Why the omission of evidence, despite its life altering consequences, is hard to detect

and almost never punished.

It's Monday, August 7.

Three years ago, in a woman's prison outside Memphis, Tennessee, Nora Jackson was sitting

in her cell watching television on mute.

You know, they have 3132 and 333 and 3-2 is just like a repeat of the news in the weather.

Her roommate was in the cafeteria and Nora wanted to get some privacy.

And I just was sitting there going to the bathroom and just like watching it and I saw my

name come across the bottom of the screen.

And then I was like, oh shit.

So she turns on the volume.

...