Ultimately, that single handgun and two subsequently recovered shell casings traced by US authorities gave law enforcement just enough to bring down an international gun trafficking ring, using a relatively new partnership that allows sophisticated intelligence sharing to stop gun violence in Canada, authorities said. To stop this, Canadian authorities have partnered with the ATF to use advanced tracing technology in hopes of generating leads, authorities said. Gun tracing has become particularly helpful as authorities continue to recover illegal firearms. Weapons smuggled through islandIt’s firearms tracing – like in the case involving the defaced handgun and and two subsequently recovered shell casings – that has helped to combat gun violence, authorities said. The plan called for using Akwesasne land to cross between the US and Canada, according to court records.