Back in the spotlight in today's Senate hearing, gun control is a contentious issue that dates back to America's Founding Fathers.
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Federal Bureau of Investigation
In the 1990s, gun politics took a turn to the right in response to two deadly standoffs involving the Bureau of Alcohol, Tobacco and Firearms -- the 1993 Waco siege involving the Branch Davidian compound in Texas and the Ruby Ridge siege in northern Idaho in 1992.