Introducing ... The Unforgotten: Who Killed Missy Bevers?

Her class started at 5 a.m.

This is Renee Rodden, a friend of Missy's.

But she had early birds that was going to come in at 4.30 because they wanted to be able to get their class done and be able to get to work.

Missy was a fitness instructor and taught all over the Dallas metro area.

And this morning's class happened to be at the church.

It was beating down rain, and Missy didn't want her students to be discouraged.

So she made a Facebook post before setting up.

The post read, "'If it's raining, we're still training.'"

So she arrived at like 4.16. She parked under the awning.

She opened her car door.

She went to the tailgate of her truck.

And I guess she had keys that unlocked it.

And so she put the key in the tailgate.

She opened it up.

She got some of her stuff out.

She went in.

Renee lives just five minutes from the church and has lived in the area pretty much her whole life.

She's thought of this particular morning so often, she knows the story by heart.

The door that everybody goes into is the awning door.

And she went into that door and you go all the way down that hall.

That was approximately 420.

So we're talking just minutes after arriving in the church.

Renee can explain this so vividly because she's seen the security footage of this moment thousands of times.

She walks down that hall and she sees something and she kind of jerks her head like she heard something.

And she continues down that