[1] For a while, he was alleged to be the emir of the Islamic State's Bengal Province, Shaykh Abu Ibrahim al-Hanif.
He was the alleged mastermind of the July 2016 Dhaka attack at the Holey Artisan Bakery, which resulted in 29 deaths.
[3] Amarnath Amarasingam, Post-Doctoral Fellow with the Resilience Research Centre at Dalhousie University, said of Chowdhury's time in Windsor, "There were a few [people] who knew him from the mosque and from the social circles" and "He was a shy, skinny kid.
[13] Three militants, including Chowdhury, were killed during a joint forces raid at a house in Narayanganj Sadar Upazila on 27 August 2016.
Monirul Islam, chief of Dhaka Metropolitan Police counter-terrorism unit, confirmed his death in an announcement reported in the Bangladeshi newspaper.