Moral Panics 2:

Olympic Terrorism:

http://www.bbc.co.uk/news/magazine-18923741 < July 2012

http://www.bbc.co.uk/news/uk-england-london-18765062 < July 2012

What has been done to prevent it?

http://www.homeoffice.gov.uk/publications/counter-terrorism/olympics/olympic-safety-security-strategy?view=Binary