It was just such a shock.

She thought he was killed and she thought he was poisoned.

I just didn't know what to think.

He wanted to have kids.

He wanted to start a family.

Otherwise, healthy 41-year-old men usually do not drop dead.

Correct.

Something just aren't adding up.

You believe there's a possibility that your husband was poisoned.

Not even for a second did it ever in your mind that you would be in danger?

They come up and ask a lot of questions.

You're in the crosshairs.

I'm in crosshairs.

It is horrifying.

I'm in danger!

It's hard to even imagine that someone could be so evil.

In this world, we like to think that we can tell the difference between good and evil.

But sometimes evil puts on a mask and comes to life's party as its opposite.

A loved one, a friend, someone we think we can help.

And by the time we figure out that we're wrong, it's too late.

And so with that in mind, meet Frank Rodriguez, a guy who went looking for troubled souls.

He was very drawn towards people that were broken.

...