I was quite lost and I was lacking direction.
Jamie dropped out of high school in year 10, after years of suffering from a chronic illness.
He spent his time online in gaming communities, where he says extremist language and imagery was normalised and encouraged.
"Once you start normalising really awful words and behaviours and attitudes, it does seep into you," he told SBS Examines.
This episode of Understanding Hate looks at how young people are being targeted by extremist ideology.