More statistics:
In 1982, the city of Chicago instituted a ban on handguns. This ban barred civilians from possessing handguns except for those registered with the city government prior to enactment of the law. The law also specified that such handguns had to be re-registered every two years or owners would forfeit their right to possess them. In 1994, the law was amended to require annual re-registration.
In the wake of Chicago's handgun ban, at least five suburbs surrounding Chicago instituted similar handgun bans. When the Supreme Court overturned the District of Columbia's handgun ban in June 2008, at least four of these suburbs repealed their bans.
In June 2010, the U.S. Supreme Court ruled (5-4) that Chicago's ban is unconstitutional.
Since the outset of the Chicago handgun ban, the Chicago murder rate has averaged 17% lower than it was before the law took effect, while the U.S. murder rate has averaged 25% lower.
Since the outset of the Chicago handgun ban, the percentage of Chicago murders committed with handguns has averaged about 40% higher than it was before the law took effect.
In 2005, 96% of the firearm murder victims in Chicago were killed with handguns