Very little is out there about John Liggett, his wife Lois, his brother Malcolm and the reconstructive post mortem call he took 11/22/63.
I have found this French site to be generally useful and today saw them link John Liggett to George DeMorenschildt, and thus to Ruth Paine.
I hate to post in French but this is pretty self evident:
John Ligget
Mortician who might have been called in on November 22, 1963 to reconstruct the dead President's head.
This is the opinion of John Melvin Ligget's