Anyone read this article in the Guardian this weekend?:
www.theguardian.com/uk-news/2016/may/14/mystery-saddleworth-moor-who-was-neil-dovestone#comment-74291940
Aside from being a well written and thought provoking article it is fascinating how even with all modern technology (CCTV, DNA etc etc) how hard it can be to trace someone with no ID etc