"Craniometrists virtually without exception dismissed Phrenology as crackpot science while promulgating an alternative nonsense of their own. Craniometry focused on more precise and comprehensive measurements of volume, shape, and structure of the head and brain but in pursuit, it must be said, of equally preposterous conclusions. (Bill Bryson)"
It's so funny how these pseudosciences diss each other and think the other one is nonsense :)
The only scientifically proven way of knowing if someone is a liar is to examine the shape and bumps of their skull.