Straw-Purchasing: What is it and How Often Does it Happen?

Please support the CCFR Scrap Bill C-21 campaign to push back against the Liberal Party of Canada's attempts at gun confiscation: https://scrapc21.ca/ > The government has talked a lot about straw purchasing. This is when a licensed gun owners buys a firearm for someone who is unlicensed. But how often does this really happen, and is it a justification to ban firearms?