If you look at all of these shootings there are a couple things that are a common theme:
They all occur in gun free zones
They all occur by people who are mentally ill
And the majority of the gunmen/killers are male.
Politics | Mother Jones
"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. ... Forty three of the killers were white males. Only one of them was a woman. (See Goleta, Calif., in 2006.)"
Women own guns, so mass shootings can't be entirely blamed on the "ownership" reason/issue.
This is Gallup poll stat is from 2011 and based on self-reported ownership:
"The percentage of women who report household gun ownership is also at a new high, now registering 43%."
Self-Reported Gun Ownership in U.S. Is Highest Since 1993
Last edited by EatRideSleep; 12-15-2012 at 01:21 PM.