Deborah Roberts

And John is here to help us put the pieces of this puzzle together with some exclusive details from what happened inside the investigation.

And he's going to give us a chance to see some clips that you didn't get a chance to see on Friday night.

interviews also with law enforcement and Susana's family.

John, as always, it's good to see you.

I wish you were here in the studio, but good to see you there.

Yeah, you and I always have such an interesting time talking about stories because we go way back and have such perspective with so many stories that we've covered over the years.

And I have to say, the first thing that came to mind, you know, in talking to you about this one is, you're a father, you've got a daughter, I'm a mother, I've got a daughter.

And the death of a young girl, a teen girl, and the desperation of her family trying to

Yeah, it did hit home, and you can sort of really feel it from the way you tell the story.

Take us back, John, about the night that she went missing because, you know, she's a classic 16-year-old who wasn't exactly truthful to her mom.

She said she was going to her friend Esmeralda's house.

What exactly did we find out?

I mean, obviously, from everything we heard, she was a sweet girl, a good girl, but she, you know, she didn't want to tell her mom everything.

And John, what we learn in the piece is that, you know, it's like that, that ba-bum, ba-bum, ba-bum, that heartbeat.

It wasn't like Susanna not to answer her phone or reply to text messages.

And, you know, we all kind of know that feeling of having a kid, even our grown children, right?

When you reach out to them and they don't get back.

Give us a sense of what Maria told you she felt in those early moments of just not hearing from her daughter.

I had never heard of this 360 app.

I just thought that was fascinating, John, the idea that in real time you can kind of get a sense of where someone is and so forth.