
As a knife-wielding psychotic killer stalked his way through a busy shopping centre, most people fled.
But some shoppers reached for their smartphones and hit "record", something a high-ranking anti-terrorism police officer hopes to never see again.

As a knife-wielding psychotic killer stalked his way through a busy shopping centre, most people fled.
But some shoppers reached for their smartphones and hit "record", something a high-ranking anti-terrorism police officer hopes to never see again.