Sheila said it alright. It's just that you and others would rather not admit that it came from the two most truthful women ( guilters words ) involved in the case---------Ann Eaton and Barbara Wilson.
No we don't know that Sheila said such. You have failed to competently respond to the points I made.
1) We have never been shown the document which supposedly is in Jones' handwriting which notes this. Thus we have no way to know if this document actually does claim what Jeremy supporters claim and no way to assess if it might be a forgery. It might not exist since it has not been publicly released it could simply be made up.
2) The claim is that AE told Jones that BW told her that Sheila once told her all people are bad and should be killed. Even if AE did tell Jones this it is possible that AE misunderstood BW. It is possible that BW misunderstood Sheila as well and incorrectly was recounting what she had been told by Sheila. Hearsay is not admissible precisely because of all these problems.
3) Even if Sheila did say it we have no idea when or what the context was. Regardless of the context even if she did say it, it has no bearing on the case. Jeremy was convicted because of evidence that proved Sheila didn't load the gun, fire the gun, beat anyone, or kill anyone but rather that Jeremy did so and tried to frame her. She could have told people a million people that all people are bad and should be killed and that still would not in any way refute the evidence that proves she didn't kill anyone.
You have decided Sheila definitely said these words because of your bias. You decided long ago that only a crazy person would kill the victims. you decided Jeremy so would never harm his family and Sheila was crazy so did it. You didn't decide the case based on the actual objective evidence of the case rather your own subjective concepts of who did it. You ignore all evidence that proves your subjective beliefs to be wrong but believe anything you hear (and elevate such claims to the Gospel truth) if you think such points to Sheila's guilt.
This describes you in a nutshell.