It has been 32 years since the École Polytechnique massacre, which left 14 women dead and spurred a debate about gun control in Canada. Progress on this file has been mixed, with various pieces of legislation over the decades that have made some efforts to prevent more mass shootings but stopped short of full-on bans of certain weapons.

The Globe and Mail’s Patrick White clarifies which guns are legal, how our gun laws compare to those in the U.S. and what gun-control advocates would like to see changed.

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