 Complete the following phrase:  Wright rapidly ascended to a position of prominence within the UVF ranks, eventually assuming leadership of the local Portadown unit. He became commander of the UVFs Mid-Ulster Brigade in the early 1990s, having taken over from his mentor Robin the Jackal Jackson, who had been the leader since July 1975 and one of Wrights instructors in the use of weaponry. Jackson was implicated in the 