After a school shooting, there are usually three distinct phases: First the immediate shock of how anybody could do such a thing, followed by grief of young lives ended too soon, and finally the inevitable calls for more gun control.
Brazil is a country still very much grieving, and for good reason. It was last Thursday, just before 9am, when a 24-year-old mentally ill man named Wellington Menezes de Oliveira walked into a packed middle school classroom in the working class neighbourhood of Realengo in Rio de Janeiro and starting executing students who were barely teenagers.
According to eyewitnesses, he had a 38 calibre pistol in one hand, and a 32 calibre in the other - pulling the trigger of each as fast as his fingers would allow.
Oliveira, a former student at the school who might have been a victim of bullying, had a "speed loader" which allowed him to re-load his pistols with minimum delay to continue the killing spree.