Discuss the problems of gun crime in the USA and possible solutions to it. Discuss the problems of gun crime in the USA and possible solutions to it.

I must use these two sources

1) http://www.theguardian.com/world/2013/sep/18/gun-ownership-gun-deaths-study

2) http://www.independent.co.uk/news/world/americas/how-to-reduce-gun-crime-in-california-why-not-pay-people-not-to-shoot-each-other-9587061.html

I also need to find ONE more academically appropriate text to support my essay.

Also, my essay must be correctly referenced with in-text references and a suitable bibliography in the Harvard Style.