At crime scenes, there is often a lot of valuable evidence. Unfortunately, many people don't know how to look at things like bloodstain patterns or gunshots and figure out what happened at a crime scene. However, there are forensic crime scene consulting professionals out there who are highly experienced and trained in these matters. They can do things like reconstruct crime scenes or gather evidence from crime scenes. Their services can be quite valuable, and there are a surprising number of different types of parties that frequently work with these consultants.