The question is the net effect of guns, and what Costas ignores is that guns save a lot more lives than they cost each year. And that's not even mentioning the roughly 2 million times a year that people use guns defensively.
Whether people like Costas like it or not the facts speak for themselves: Murder rates consistently rise when guns are banned. This is not just a US phenomenon in places such as Washington, DC and Chicago, but has been observed worldwide. When guns are banned, even in island nations such as the UK, Ireland, and Jamaica, the pattern has been the same. The problem is that gun bans disarm law abiding good people, not criminals. With disarmed victims, crime is easier to commit.
Read the article: Fox News