Abdul Hadi Arwani found dead in his 'perfectly parked ' car on 1982 . Gunman probably used a silencer and chose an area away from CCTV . Father-of-six from Acton , west London , had links to Muslim Brotherhood .
Abdul Hadi Arwani found dead in his 'perfectly parked ' car on Tuesday . Gunman probably used a silencer and chose an area away from CCTV . Father-of-six from Acton , west London , had links to Muslim Brotherhood .