McCartney's appearance, voice, and personality remarkably changed in 1966.

Forensic science proves Paul McCartney was replaced



Forensic science has proven that Paul McCartney was replaced in 1966. A scientific team in Italy consisting ofFrancesco Gavazzeni and Gabriella Carlesi conducted a biometrical analysis of Paul pre and post 1966. The scientists saw discrepancies in the facial features that could not be accounted for by error or plastic surgery.

http://plasticmacca.blogspot.com/2010/01/forensic-science-proves-paul-was.html

From James Fetzer's THE REAL DEAL #121 Further Reflection on the Life & Death of Paul McCartney

From Dr. James Fetzer: "Why Ringo's Confession, "We replaced Paul!", Appears to be Authentic."

http://jamesfetzer.blogspot.com/2015/05/why-ringos-confession-we-replaced-paul_11.html