I was horrified knowing that she didn't die peacefully or sleep that her last few minutes was struggling trying to breathe.

I would have visions of her and her gown and robe going to the door and someone trying to get in and I would say to her don't open the door I would try to save her in my dreams

police across Dallas and Collin counties are worried they have a serial killer on their hands.

He would take a pillow and suffocate them.

So it was hard for the medical examiner's office to figure out that there was a pattern that he was suffocating these elderly women.

He was banking on them not doing full-blown autopsies.

Jeffrey Dalmer, Ted Bundy, John Wayne Gacy, these are the names of serial killers that almost everyone knows.

And yet the man who might be the most prolific serial killer in Texas history,

well, his is a name that most Americans do not know.

Police say they're looking into this man Billy Schmeir.

For years, he's been posing as a home health care nurse or maintenance worker.

They believe he's been attacking and possibly murdering elderly women and

stealing their jewelry.

Despite this trail of death and theft, Billy Shimir Meirir Meir kept on getting away with

it because facilities and institutions designed to protect these residents

failed repeatedly and they wrote off the murders as innocent, unattended deaths.

There is nobody she would lay down on that bed with paint on her fingers.

She didn't die in her sleep.

Agism is rampant in America often with devastating impacts on the victims.

But in the case of Billy Schmermer, the ageism was, quite literally, fatal.

I'm your host Bob Sullivan. Here on the perfect scam, we're taking a deep dive into this tragic tale with a four-part series on Fatal

Ageism in connection with AARP the magazine.

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