Watch NYPD's Incredible Sketch Artist Draw Louis C.K.

You've seen them on the 11 o'clock news, on bulletin boards at the post office, and maybe even on this very site. Even with the ubiquity of surveillance cameras around the city, the NYPD still relies on forensic artists who have been trained to work with victims and sketch images of their attackers.

http://gothamist.com/2015/12/03/nypd_louis_ck_police_sketch.php