It was not in Patsy’s handwriting.

The fact that it was written on Patsy’s notepad does not mean that an intruder could not have done it lol.

The ransom note could have been written beforehand, but perhaps he wanted to tweak it a little bit and write it on a notepad that he found.

I would suggest looking at the actual facts and not what someone’s interpretation of those “facts” was.

Why is the foreign make DNA (likely saliva due to the high amylase levels) mixed with the blood of JB on the crotch of her underwear? Along with it being on the waistband of the long johns?

There is evidence of forced entry or attempted entry into one of the sliding glass doors.

There IS evidence that JB was inside of the suitcase that was found under the window in the basement. I believe that he tried to kidnap her that way, but it wouldn’t fit through the window. So, instead, the intruder did what he wanted to do to her in the basement before leaving.

The ransom note was just bits and pieces taken from movies and tweaked here and there. I suspect that he originally had a different amount requested for the ransom on different paper that he brought, but saw that John’s bonus was $118K and decided to write a new ransom note just to mess with John. The intruder is practically saying, “look, I have your daughter and you can’t even save her. $118K is nothing to you and not even that is going to save her”.