After the Dunblane primary school shooting politicians had been driven by a need to show they were doing something but their actions did nothing to stop the criminal use of guns. “It never, never has any effect. The criminal underworld in England, the drug dealers … have all got guns, but they are illegal guns,” Criminals do not have a problem with the legislation, they simply ignore it.

https://www.theguardian.com/us-news/2016/mar/15/so-america-this-is-how-you-do-gun-control