http://www.nytimes.com/2015/12/06/us/politics/california-attack-has-us-rethinking-strategy-on-homegrown-terror.html?
in the article, there is a REALLY interesting graphic (copied below in case it "mysteriously" dissapears from the NYT website)
Notice a "sudden" change in the frequency in attacks at the end of 2008?
Ask yourself this: What changed at the end of 2008/start of 2009?
