Why did he keep repeating “Allahu akbar”? Because he is certain that he did a great deed for Allah in stabbing this police officer, and that Allah will reward him. His jihad attack was an act of Islamic piety from beginning to end. Yet that is the one aspect of it that will be discounted by law enforcement officials, prison officials, and the establishment media.

“Montreal man denied bail in Michigan airport stabbing mutters ‘Allahu akbar’ in court,” CBC, June 28, 2017 (thanks to The Religion of Peace):

Montreal resident Amor Ftouhi, 49, is charged with committing violence after a Michigan airport officer was stabbed in the neck earlier this month. He was denied bail at a hearing in Flint on Wednesday. Montreal resident Amor Ftouhi, 49, is charged with committing violence after a Michigan airport officer was stabbed in the neck earlier this month. He was denied bail at a hearing in Flint on Wednesday. A Montreal man accused of stabbing an airport police officer at a Michigan airport was denied bail Wednesday and will remain in custody. Amor Ftouhi was wearing a medical mask and repeatedly muttered “Allahu akbar” (literally, it “God is great”) when he appeared at a bail hearing. Police have alleged Ftouhi yelled that phrase as he stabbed Lt. Jeff Neville in the neck a week ago at Bishop International Airport.

“Allahu akbar” does not mean “God is great,” it means “Allah is greater,” i.e., greater than your god. It is a declaration of the supremacy of Islam.