He was diagnosed with post-traumatic stress disorder after becoming paraplegic from injuries received while fighting in Libya in 2011 during the country’s uprising.
According to a report detailing the Parole Board’s decision in September, the panel accepted the inquiry’s finding that Abdallah “had played a significant role in radicalising the Manchester Arena bomber, although there was no evidence that he was involved in the attack itself or had any pre-knowledge of it”.
While in prison Abdallah took part in courses designed to tackle the motivations behind his offending “and the beliefs which enable it”, as well as taking part in rehabilitation to “manage the risk of individuals who have been involved in extremist or terrorism-related activity”.
But his probation officer, prison officer and psychologist still did not support his release, with assessments determining he posed a “high risk of serious harm to the public”.
Psychologists concluded Abdallah continued to “show levels of engagement with extremism and intent to commit terrorist-related offending”, the papers said.
A plan for his release that was presented to the panel was also deemed “not robust enough” to manage him once he left prison.
It added there was insufficient evidence to suggest there had been any change in his extremist mindset.
