The caravan was carrying enough explosives to cause mass casualties if detonated, so why did police keep its discovery secret for 10 days? 

A note found in the van indicated that Jewish sites were the targets. 

Today, terrorism expert Greg Barton on what we know about the case and if anything can be done now to stop the rise in anti-Semitism. 

Police say the explosives could have had a blast zone radius of 40 metres.

Professor Barton explains that the use of explosives usually used in mining suggests links to organised crime. 

He also highlights the chilling possibility of a mass casualty event targeting Jewish sites. 

The discussion delves into the complexities of labelling the incident as terrorism and the potential involvement of foreign actors. 

Featured: 

Greg Barton, terrorism expert and Professor of Global Islamic Politics at Deakin University

Key Topics:

• Anti-Semitism in Australia
• Terrorism threats
• Explosives
• Jewish community 
• Counter-terrorism 
• Social cohesion