Nathan Mattison was 26 when he was killed in Jacksonville, Florida, on November 3, 2012. His death remains unsolved and is listed as a cold case.

Very little about the circumstances of the killing is publicly described. Organizations such as Project Cold Case have highlighted his case among other unresolved murders in Jacksonville and advocated for attention and support for victims’ families. Authorities are still seeking information that could lead to an arrest.

If anyone knew Nathan, his routine, or saw anything in Jacksonville around November 3, 2012 that might help investigators, please come forward with what you know.