In May of 2007, a 16-year-old gang member opened fire on a CTA bus. Blair, also 16, dove in front of a classmate to shield her from the gunfire and was killed....
“Soon, Chicago will choose a new mayor,” Nance-Holt says in the ad. “I want someone with a strong record of fighting crime and gun violence. As President Clinton’s point man on crime, Rahm Emanuel put 100,000 more police officers on the streets, including hundreds more here in Chicago.”
Rahm, as Chief of Staff of the Obama White House, has publicly stated that you should "Never want a serious crisis to go to waste" and has regularly endorsed ending due process.
Update: From another article he admits he's going to do everything he can to keep handguns defacto banned:
Emanuel said he hasn't ruled out taking advantage of loopholes that might allow him flexibility on the city's handgun ban. Again, he wouldn't offer details, but said: "I'm not happy with the (U.S. Supreme) Court's decision, but I'm not going to sit on my hands either."