City officials aren’t the only ones trying to make a dent in Chicago’s violence. There are heroes and heroines throughout Chicago’s neighborhoods providing positive alternatives for youth in an effort to help reduce the violence that plagues the city. We’ll meet some of those community activists who are trying to make a difference.

Police Supt. Garry McCarthy says his force "lost it" this weekend, and he’s trying to figure out why. Paris Schutz has the reaction from a deadly Fourth of July weekend.

We meet a man from the west side of Chicago who is trying to combat the gun violence in his community with a series of short films on YouTube called "Think Before You Shoot." Watch the short films.

Chicago Police Superintendent Garry McCarthy is here to talk about why the city saw its deadliest January in a decade -- and what he's doing to curb the violence.

Can playing sports like archery and handball cut down violent crimes among students? A new study shows some dramatic -- and positive -- results.

Mayor Emanuel and Police Supt. McCarthy react to a bloody and deadly Memorial Day weekend and outline a new, high-tech, anti-gang strategy. Eddie Arruza has the latest.

How do you think the Chicago Police Department is handling the recent surge in gun violence? Will they be ready for possible NATO summit protests in May? We have some of your thoughts in tonight's Viewer Mail.

Police Superintendent Garry McCarthy joins us to talk about the recent string of violence in Chicago, planning for the upcoming NATO summit and more.

Chicago Tonight presents a 30-minute special after Frontline: The Interrupters airs on our station tonight. Join us at 10:00 pm for a series of three panel discussions moderated by Carol Marin and Phil Ponce, and produced by Emmy winner Jay Shefsky.

The latest information about Chicago street gangs has been compiled in a new book from the Chicago Crime Commission.