Andrea Canning

She would come home from some of these trips and say, hey, let's go get a drink.

Let's have some dinner.

And your expectation would be, I want to get home to my husband.

She didn't seem to be in any particular hurry anymore.

Debbie's parents wondered if the marriage frayed because Debbie, the modern woman, wasn't meeting Lars' old-fashioned expectations.

She was not the kind to stay home and bake cookies or walk in the door and serve you a meal because she had worked just as hard, too.

He wanted more of Debbie.

Right.

He did want more of Debbie.

All marriages have problems.

Very few end this badly.

So investigators decided to take an even closer look at the husband who pulled the trigger.

Coming up...

Lars seemed upset.

Was he?

These bits of emotion are only done in front of the detective.

They're not done when he's alone.

As 2015 gave way to 2016, investigators weren't so sure Debbie Kelly had been happy in her marriage to Lars Ittso, and they took a closer look at the circumstances of her death.

They pulled all those recordings from the day of the shooting, examined Lars' behavior, his turns of phrase, even things he didn't do, starting with the 911 call.

This is Lars in the first moments of that call.