A terror attack of unfathomable hatred was unleashed on people peacefully praying in a mosque in the city of Christchurch, New Zealand.

Armed with six guns, a few petrol bombs and white supremacist ideals, Australian expat Brenton Tarrant allegedly drove calmly to Al Noor Mosque and murdered at least 50 people.

Senior writers Nick O'Malley, Jacqueline Maley delve into gun control, the Overton Window and the role of social media in radicalising the far-right with host Michael Bachelard. Young muslim woman and former Sky News employee Rashna Farrukh discusses why she quit the broadcaster after their coverage of the attack and human rights lawyer Diana Sayed gives us her take on what needs to change.  

Click on the links to subscribe to The Age or The Sydney Morning Herald.

Get in touch at please.explain@smh.com.au