Answer:
with the eye witness they could locate which direction the person ran off to. depending on which crime they commited they could have left valubal pieces of evidence that could help the investigators find out who the person is. with the eye witness they could tell teh investigators exactly where the crime was comitted, with that piece of evidence they could seach around the area for clues of who the person was. if they find out who the person was they could locate where the person lives.
Step-by-step explanation: