make that call. >> jeanne casarez, cnn, new york. >> joining me is coroner/medical examiner michael murphy who works with the center for missing and exploited children. mike can you just explain the process of creating these kind of images? what do the artists actually start from? >> well the artist starts from a lot of different beginnings. in this particular instance, law en enforcement was able to provide us with pictures. the artist matches science and artistic talent to ultimately create the image we are talking about today. >> so it is a picture of, i don't want to get too graphic of the remains. and then the artist kind of builds on to that? >> that's correct. sometimes they're dealing with remains that are fully intact t in some instances they're dealing ridge nameoriginally a skull or bones. so it depend on the particular case. but the artist will take the science that they know and then