48 hours in CBS News present season three of My Life of Crime with Aaron Moriarty.

This season join Aaron for extended interviews with convicted murderers.

Go beyond speculation to the evidence. Did our Toro Gotti really commit suicide?

And what happened to Jennifer Dullos? The Connecticut mom still missing almost four years later.

Listen to My Life of Crime from 48 Hours on Amazon Music or wherever you get your podcasts.

So it was so unusual for something like this to happen right outside your door.

Behind the gates of a beautiful community.

Well, as they say, a lot of things go on behind closed doors.

The Chadwick's lived a very suburban life. Peter was very quiet, very soft-spoken,

QC. She was bubbly and vivacious. When you say bubbly and vivacious, did she have a sense of humor?

She was very funny. Yes, and so smart and talented she could do anything.

Our kids started the same school as her children. They were all friends.

QC, she came from Malaysia, not speaking English and she met Peter in school, she told us.

Peter would work out of the home managing the family investments.

You know, they lived well. So from the outside, did it seem like the Chadwick's had this idyllic life?

Yes, from the outside, it definitely seemed that way.

I work out of my house, so my office just faces the street here.

Between four and five pm, I saw cup cars in front of her house.

One for more money, and one for three for three for three for three.

And I'm thinking, what's going on?

One of our other friends, she came right up to me and said, Karen, where's QC?

Where's Peter? At that point, we just knew that she didn't pick up the kids.

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