Richard Charnin shared Judyth Baker's post to the group:JFK Best Evidence: Witnesses, Forensics and Convenient Deaths.
There were FOUR Mac Wallace prints from the TSBD 6th floor, not just one...https://www.facebook.com/groups/JFKASSASSINATIONCONFERENCE/permalink/242888402551613/
The fact that discrepancies are sometimes observable between prints that are definitely known to come from the same finger was even noted by Sir Francis Galton, the father of the modern method, in his seminal work Finger Prints (1892). In this he discusses various reasons why discrepancies might arise, such as through the differences in pressure applied when depositing separate prints (with less pressure favouring the deposit of pronounced ridges and not shallower ones), or simple skin deterioration during the ageing process. In particular, he recorded an instance of a nonmatching point that had apparently arisen naturally between taking a fingerprint from a child of two-and-a-half and then taking a second print when the child had matured into an adolescent of fifteen.......
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Wallace’s police ‘ten-print’ from his 1951 arrest, used in Mr Darby’s comparison, was taken 12 years before the murder of JFK and even Mr Darby himself observed differences in the two prints that had arisen during the intervening time (e.g., he recorded what appeared to be an injury to the skin that was not present in the 1951 print but disrupted the 1963 print). He still felt confident enough to swear an affidavit stating that he had found 14 matching points, the threshold for admissibility in Texan courts. By all accounts, he later revisited the prints outof personal interest and found a 32-point match, which has to be considered as being beyond the possibility of coincidence by anyone’s standard (although why Mr Darby did not then also swear an affidavit to this more impressive match remains unknown, and since he is now dead we may never know).
http://www.lobster-magazine.co.uk/…/l…/lob68-mac-wallace.pdf
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Wallace’s police ‘ten-print’ from his 1951 arrest, used in Mr Darby’s comparison, was taken 12 years before the murder of JFK and even Mr Darby himself observed differences in the two prints that had arisen during the intervening time (e.g., he recorded what appeared to be an injury to the skin that was not present in the 1951 print but disrupted the 1963 print). He still felt confident enough to swear an affidavit stating that he had found 14 matching points, the threshold for admissibility in Texan courts. By all accounts, he later revisited the prints outof personal interest and found a 32-point match, which has to be considered as being beyond the possibility of coincidence by anyone’s standard (although why Mr Darby did not then also swear an affidavit to this more impressive match remains unknown, and since he is now dead we may never know).
http://www.lobster-magazine.co.uk/…/l…/lob68-mac-wallace.pdf