Khayre , who had a long-standing drug addiction , went on committing criminal offences and serving time in prison . Authorities did not associate him with terrorism again until he orchestrated the 2017 Brighton siege , taking a hostage in a serviced apartment complex and murdering the complex clerk . He enticed police to the complex and made references to Islamic terrorist groups before confronting police in a shoot-out and was killed
2017 Brighton siege
2017 Brighton siege
Holsworthy Barracks terror plot