In 1996 a gunman went on a rampage in Port Arthur, Australia, killing 35 people and wounding 23 - the deadliest shooting in Australian history. The result in Australia, too, was fundamental change to gun laws. The National Firearms Programme Implementation Act of 1996 restricted the private ownership of semi-automatic rifle and shotguns. The government there also initiated a mandatory firearm buyback scheme.
In the United States - where perhaps the world's fiercest debate on gun control rages - the powerful National Rifle Association (NRA) has often used what happened in Australia in the 1990s as a warning of what could happen in the US.
On March 25, the Al Jazeera Investigations Unit releases its latest film, “How to Sell a Massacre” - a 3-year investigation into the pro-gun lobby, which reveals secrets and connections that some don’t want exposed. On this episode of The Stream, an in-depth look at this groundbreaking film.