Peel Regional Police
Some are calling the incident "another example of police brutality and systemic racism in Canada."
Choudry was shot dead by Peel Regional Police after they were called because of a medical crisis.
Peel Regional Police say they’re now conducting an internal investigation.
The incident didn't affect airport operations, however.
He's charged in the murder of his daughter, 11-year-old Riya Rajkumar.
Riya Rajkumar's father had taken her out to celebrate her 11th birthday.
The suspects fled, narrowly avoiding a collision with two transport trucks.
The four have each been charged with single counts of theft under $5,000 and obstructing police, and two counts of perjury.
Police say there may be other victims.
Police are investigating.