Explained: Suspect in Yom Kippur shooting outside Ontario synagogue dies from his injuries

Sean Ward, 29, of Quinte West was suspected of opening fire on a police officer outside the Sons of Jacob synagogue in Ontario

SIU (Special Investigations Unit)

An independent civilian agency in Ontario that investigates incidents involving police, including shootings

Yom Kippur

The holiest day on the Jewish calendar, a day of atonement and fasting

corporal

A military rank, here referring to Ward's rank when he left the Canadian Armed Forces