法医素描艺术家 与警方合作，采访犯罪行为的受害者或证人，以便根据证人的最佳记忆，重新制作反映犯罪者形象的半现实绘画。 法医素描艺术家 应该能够仅根据描述创造这些图画，并且必须能够根据所给的内容进行推断。
法医素描艺术的困难在于它在很大程度上依赖于证人。 艺术家必须能够与这个人建立联系，他可能对自己目睹的事情感到心烦意乱，并找到一种方法来采访他们并解释他们的描述。 此外，证人的证词是出了名的不可靠，因为在紧张的情况下，记忆不是很准确。 证人可能相信他们看到了自己没有看到的东西，或者一些类似的情况，这可能导致素描不能准确反映犯罪者。
虽然纽约和洛杉矶有全职的素描艺术家，但其他主要城市却没有。
See_also: 迈克-泰森 - 犯罪信息有国际鉴定协会的法医素描课程；但是，这些课程并不是必须的。 由于该职业的艺术重点，所需的培训根据执法机构的不同而不同。
John Williams is a seasoned artist, writer, and art educator. He earned his Bachelor of Fine Arts degree from Pratt Institute in New York City and later pursued his Master of Fine Arts degree at Yale University. For over a decade, he has taught art to students of all ages in various educational settings. Williams has exhibited his artwork in galleries across the United States and has received several awards and grants for his creative work. In addition to his artistic pursuits, Williams also writes about art-related topics and teaches workshops on art history and theory. He is passionate about encouraging others to express themselves through art and believes that everyone has the capacity for creativity.