Matthew de Grood seeks Supreme Court appeal to return to Calgary with additional freedoms

A Calgary man who killed five young people in the worst mass killing in the city’s history is seeking to have his case heard by the Supreme Court of Canada in an attempt to gain a conditional discharge.

Matthew de Grood was found not criminally responsible in 2016 in connection with the 2014 deaths of Zackariah Rathwell, Jordan Segura, Kaiti Perras, Josh Hunter and Lawrence Hong,