THE DRUG By C. C. MacAPP - https://www.gutenberg.org/cache/epub/51519/pg51519-images.html

 It could be deadly. It had to be tested. But
Sales wanted a new product this very minute.

 How would you police such a world? A man could change his face at will, or his fingerprints. Even his teeth. Probably he could do things I can't imagine yet