Lester Holt

That's correct.

To the cops, the man looked visibly shaken.

It seemed he was suggesting his wife had died by suicide.

Ferrante then told the story about Autumn trying and failing to get pregnant.

He said she'd recently been taking the supplement called creatine in the hopes it would help with fertility.

Veteran detective Harry Lutton understood the late wife's emotional agony.

She's trying to have another child.

And that's a lot of stress on a woman when they're trying to have children and they can't have children.

Could Autumn's distressed state of mind have led to suicide?

Detectives had to consider that as a theory.

But cyanide, that's an unusual way to kill yourself.

And it's a hard-to-get poison.

How could Autumn have gotten her hands on it?

Well, we looked into the labs that, you know, where she worked.

She didn't work in a lab.

She worked with patients.

She was a clinic doctor, right?

She was working hands-on.

Yes.

But there were other labs at the medical complex, labs stocked with poisons, including cyanide.