<p>On Sunday the 14th of December, two men; a father and son, used a range of firearms to attack a large Hanukkah celebration at Bondi Beach playground. At least 16 people were killed, including one of the two gunmen, and a ten year old girl. </p><p>It was Australia’s worst ever terrorist attack, and its second-deadliest mass shooting. The local and global Jewish community are horrified and frightened, by the events. </p><p>Australia is in shock, it’s left people wondering what could have been done to prevent this attack, and what needs to be done now. </p><p>Perry Duffin is the Sydney Morning Herald’s senior crime reporter, and has broken multiple stories about the seemingly escalating violence and anti-Semitism in Sydney. For the last 24 hours - virtually without sleeping - he’s been covering the early investigations into the events in Bondi.</p><p>Follow If You're Listening on the <a href="https://radio.abc.net.au/help/apps">ABC Listen app</a>.</p><p>Check out our series on YouTube: <a href="https://www.youtube.com/playlist?list=PLDTPrMoGHssAfgMMS3L5LpLNFMNp1U_Nq">https://www.youtube.com/playlist?list=PLDTPrMoGHssAfgMMS3L5LpLNFMNp1U_Nq</a></p>