Over a career of working with caustic cleaning chemicals and other stuff, my father's fingerprints are just about entirely gone. The last time he went in for fi

Over a career of working with caustic cleaning chemicals and other stuff, my father's fingerprints are just about entirely gone. The last time he went in for fingerprinting they tried him on the scanner for nearly an hour before making an exception to the "electronic prints only" rule and broke out the ink pad and did it the old fashioned way.