An inquest will examine how and why six people were stabbed to death during a knife rampage at a shopping centre involving a mentally ill man.

The first hearing into the stabbing rampage, in which Joel Cauchi killed six people before being shot dead, has begun.

Measuring a formidable 5.25 inches, with a width of 1.63 inches, the drop-point blade full-tangs its way into a meaty, ...