Since 1982, there have been at least 62 mass murders. carried out with firearms across the country, with the killings unfolding in 30 states from Massachusetts to Hawaii. Scary fact #1, that’s more than 2 a year. scary fact #2, there have been 12 incidents in 2012 alone!
http://www.washingtonpost.com/wp-srv/special/nation/us-mass-shootings-2012/