It would be really nice if this was a thread about the logic, reason and scientific methodology behind finding out whether the voice on those tracks is Michael Jackson's.
By that, I mean people who clearly know what they are talking about within audio engineering are given a chance to explore using industry standard technology to put across their facts without people coming in side on and saying things like "I know it's him/not him in my heart". It means nothing, is subjective and illogical.
When we get down to specific syllables in his utterances and technologies that have been used to process the vocal track in post, that is the best chance of us actually finding out the truth.
It's counter productive to both sides having people who think they know what they are talking about because they have been a fan for 'X' years writing off one opinion without having properly looked into the audio engineering that the tracks could have gone through.