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At the Freedom Church of Christ Cemetery in Link Creek, Missouri, there's a gravestone with three names written neatly in a row. At the top is the

family name, Blankenship. Underneath, on one side, Sandra Lynn, mother, and on the other,

Billy Deon Jr., father. Both of those names are followed by a birthday, but not a date of death.

In the middle, etched in the marble, is the name Billy Dion the 3rd, followed by the birthday, October 23, 1988, and the date of death, November 16, 1990.

He was just two years old when he died.

From A&E, this is Cold Case Files.

Sandra, Billy's mother, will never forget the last time she saw her little boy. It was November 15, 1990. She'd gotten herself and two small children ready for the day. She was going to work,

and Billy and his sister were going to their babysitter's

house. When they arrived, Sandy took the kids inside the house to see their babysitter. Her name was

Tani Gunter. She was 28 at the time. Here's Sandy Blankenship, Billy's mother. I remember him looking

at me that morning with, he was about ready to start crying, and

Tani was holding him so I could get out the door.

And I wanted to turn around and go back, and I didn't.

She drove the rest of the way to work and started her day the same as any other day.

But it wasn't a typical day.

During lunch, Sandy's co-worker and friend told her that she needed to get to the Warnsburg Hospital.

Little Billy had fallen down some stairs.

Billy's parents rushed to the hospital and made it just in time to see the doctors preparing to airlift Billy

to the Children's Hospital in Kansas City. Billy was unconscious. He was in critical condition.

This is Sandy Blankenship again. I pulled his eyes up just to look at his eyes because he was just

laying there like he was sleeping and his eyes were real gray.

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