Maan Monis was the terrorist responsible for the Sydney Siege at the Lindt Cafe, Sydney, in 2014. See details here: https://en.wikipedia.org/wiki/2014_Sydney_hostage_crisis
You can also see details of Maan Monis’ history here: https://en.wikipedia.org/wiki/Man_Haron_Monis
You will find the similarities between these two figures to be uncanny.
Tawhidi is a ticking time-bomb.