Complex sentence: He had no further contact with the UVF in Dunmurry nor in Magherafelt which was his final posting where he was arrested without warning in December 1979 for the murder of William Strathearn.
Split into simpler sentences: He had no further contact with the UVF in Dunmurry nor in Magherafelt. This was his final posting until his arrest without warning in December 1979 for the murder of William Strathearn.