We have said so many times if we'd only known if we'd only known

if we'd only known then countless lives could have been saved.

Do you really think ageism played a role in the death of your mother and the death of all these other folks?

I do. I really do believe that. I believe, I mean, here had it been 20 college people, younger folks, it would have been all over the news, but because these were elderly people, the police departments didn't really follow through. I think they took a few things at granted. The

press basically hasn't been as interested and for and it amazes me even here

in Dallas the number of people that I run into that I work with that I know who have never even heard this story, have no idea.

So yeah, I think ageism is a big problem and a big part of it on many fronts.

They were in the unique position of knowing all of these deaths and reported deaths when law enforcement didn't and you know profit

and greed or a dangerous thing and instead of disclosing what they knew to the families of the victims and law enforcement,

which would lead them to believe, okay, we have a big problem. They steer the investigation into something else.

Welcome back to the perfect scam.

I'm your host, Bob Sullivan.

And this is the conclusion of our four-part series, Fatal Ageism.

When we left our story, Billy Shamirir had been formally accused of 22 murders,

mostly in senior living facilities, but the first attempt to convict him for one of the

murders ends in a shocking hung jury.

It takes months for the retrial to begin.

During that time, the horror for the families

really starts to set in.

That year was, first of all, all I could do

is sit there and say, I'm sorry to to my mom. I have a picture in my game room and she sits there and watches whatever I watch. I bet I screamed I'm so sorry for a year to my mom's picture.

Because it was my job to take care of her and I felt

...