Tonight on Dateline.

She was panicking.

She said Becky's dead.

Becky's dead.

When somebody shot 14 times, that's significant.

This was a cold-blooded execution.

The entire city was shaken.

Terrifying.

Absolutely terrifying.

She's going through a divorce.

They both, by all accounts, were looking forward to getting the divorce behind them.

We learned that she had a boyfriend.

It's a big deal to look at any possible surveillance cameras.

This is the night of the murder?

Yes. It's a person on a bike in the middle of February.

There was a footprint by the window.

There was a person in the driveway multiple times.

That was the first time it really registered with her that she or her children could be in danger.

Everybody had a theory.

Nobody had any evidence to back any of that up.

There's no possibility of recovering from something like this.

It's a hole that will always be there.

...