I’ve read about this before. A determined killer will use whatever they can including dynamite, machetes, swords, molotov cocktails, etc.
Firearms are just one method and if the killer does not have that available he/she will find something else, maybe worse.
I had heard about it but thanks to another FReeper this was first time I’d read it and now know the name of “madman” and victims.
87 victims and the killer got away from the scene: