>>513341523
>homemade clock

It was an alarm clock you would buy off the shelf and he took it out of its case and attached it to a briefcase to make it look like a bomb. He didn't create anything and there was nothing scientific or special about this stunt. He knew exactly what he was doing and the school acted exactly as any rational person would act in a world where there are Muslim lunatics who blow themselves up with homemade bombs to kill innocent people.