Some government statistics you can use:
Homicides involving firearms are down 39% between 1993 and 2011. The report also states that “nonfatal firearm-related violent victimization against persons aged 12 or older” is down a whopping 70%.
….
In 2011, a total of 478,400 fatal and nonfatal violent crimes were committed with a firearm (table 1). Homicides made up about 2% of all firearm-related crimes. There were 11,101 firearm homicides in 2011, down by 39% from a high of 18,253 in 1993 (figure 1). The majority of the decline in firearm-related homicides occurred between 1993 and 1998. Since 1999, the number of firearm homicides increased from 10,828 to 12,791 in 2006 before declining to 11,101 in 2011.
Nonfatal firearm-related violent victimizations against persons age 12 or older declined 70%, from 1.5 million in 1993 to 456,500 in 2004 (figure 2). The number then fluctuated between about 400,000 to 600,000 through 2011.1 While the number of firearm crimes declined over time, the percentage of all violence that involved a firearm did not change substantively, fluctuating between 6% and 9% over the same period. In 1993, 9% of all violence was committed with a firearm, compared to 8% in 2011.
Source: http://gunssavelives.net/news/doj-report-since-1993-murders-using-guns-down-39-violent-crime-down-70/
And look at all the progress we have made since 1993, look at all the states with concealed carry laws, guns in bars, guns in parking lots, stand your ground, look at how many more people own guns, then compare it to the statistics and you clearly see that more guns means less crime.
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Gregory Smith