Lots of Kincora archive material has been posted today on this website.   According to this, it claims that William McGrath was friendly with some members of the Pink Presbyterian Church.

I wonder who there were/ are?  I wonder if they would ever admit knowing McGrath?

I cannot help wondering did Willie McLundy aka Willie McCrea ever know William McGrath?

ECC 3:15 That which hath been is now; and that which is to be hath already been; and God requireth that which is past.