[Uncle Chip]

I think it is in the nature of a cheat sheet too, maybe just a memory aid preparing for her first telephone interview with Crump, then she haded the cheatsheet to Sybrina, who headed to Crump's place to meet with him and the press.

Why would she give her cheat sheet away before the big test aka interview???

The purpose of a cheat sheet is to have it in front of you to help with the answers to questions or in telling your story. Thus why give it away prior to putting it to use.

What I do see is Witness 8 scribbling these words on paper to have in front of her or to review before her April 2012 interview or even her March 2013 deposition, and then afterwards Sybrina grabbing the scribbled note that is clearly in Witness 8's handwriting and predating it to make it appear as if it had been written by Witness 8 on March 19, 2012.

[Cboldt]

-- Why would she give her cheat sheet away before the big test aka interview? --

Maybe she made two, one for her, and one for Crump. Even if she only made one, writing things down can help with the memory.

-- What I do see is Witness 8 scribbling these words on paper to have in front of her or to review before her April 2012 interview or even her March 2013 deposition ... --

It doesn't mirror the April 2012 version very well.

It could be deliberately pre-dated, as you suggest. All sorts of possibilities. But even taken at face value, I don't see it helping the prosecution.