With regard to government evidence or studies related to the effectiveness of measures being considered by the government in relation to firearms: (a) what measures are currently being considered or implemented; (b) for each of the measures in (a), does the government have any evidence that such measures would be effective; and (c) based on the evidence in (b), what will be the projected impact of each measure, including the effect on various crime rates?
In the House of Commons on April 11th, 2020. See this statement in context.