Mustafa Kamel Mustafa was convicted Monday on all counts of providing material support to terror groups by sending men to train for violent jihad and backing the kidnapping of tourists in Yemen.

The Muslim preacher who cheered the World Trade Center attacks from his position as the lead imam at London’s Finsbury Park mosque, slumped only slightly in his chair as the jury in Southern District Judge Katherine Forrest’s courtroom confirmed they had all voted guilty on 11 counts.