Thick Gammon Found.
Where is the 'DNA Evidence' you speak of linking the two? Yet to be found or profiled.
As for Soldier F, the GFA does not stop everyone being prosecuted, it just holds a maximum of two years. However there is currently debate that if that only applies to 'terror' organisations. The evidence against him is pretty substantial given that the others could all be done still for perjury. The man is/was a psychopath.
Anyway f**k Soldier F and f**k whoever killed the poor girl. Hopefully they get the sentences they deserve.