Their crimes alone would be frightening enough. But the very public nature of some of these incidents only serve to render them even more disturbing.
Like watching rival gangs of hammer and knife-wielding men set about themselves in the middle of a cemetery in broad daylight, for example. Or being in the middle of busy high street and witnessing the man standing nearby pull out a blade and fatally stab a random stranger right in front of you.
These are some of the crimes which have occurred in the last 12 months which have shown our streets in their most lawless light. However, all those involved have since been brought to justice.