Multiple choice general knowledge science & technology Before fingerprints, what did people do for identification? took samples of blood and hair took pictures of everybody and kept them on file kept signatures of every person measured people's bodies Reveal answer Fill a bubble to check yourself D Correct answer Explanation Before fingerprinting, Bertillonage or anthropometry was used - a system developed by Alphonse Bertillon that measured various body dimensions like arm length, head size, and other physical characteristics.