Leonard Tailleur, Driver's former lawyer, said it was "absolutely shocking" to hear about what happened.
Mr Tailleur, who represented Driver in 2015 and early 2016, said his client had never indicated he would engage in terrorist activities.
"He was such a passive individual. He was not an aggressive person," he told the Globe and Mail
with the Bench to destroy the case
against the killers of Freddie Gray