After sustaining a life-threatening gunshot wound, 16-year-old Latee Smith began plotting revenge on his attacker. But a local intervention specialist helped Smith refocus his energy.

Last fall, 21st century technology was used to tell the story of a 20th century tragedy: the Eastland Disaster. The team behind that project is set to launch a second installment of its augmented reality app. Learn more.

Mayor Rahm Emanuel delivers one of the most anticipated speeches of his tenure at Malcolm X College on the city's Near West Side.

In a recently published op-ed, Cook County Public Defender Amy Campanelli warns that a “war on guns that focuses solely on punishment” will fail. She joins us in discussion.

Federal prosecutors say the Hobos street gang terrorized the South and West Sides. We look at this so-called "super gang" as some alleged members stand trial for murder.

A new gang has surfaced at the Cook County Jail that even the sheriff refers to as “bizarre.” Tom Dart credits members of the gang, called Savage Life, with a hostage incident that occurred at the jail late last month.

As Chicago struggles to understand and control rising gun violence, there may be insight to be found in social media.  

The violence in Chicago continues to spark rage and national headlines. Last week it was the murder of 9-year-old Tyshawn Lee, then 20-year-old Kaylyn Pryor, an aspiring model, was gunned down. This weekend 14-year-old J-Quantae Riles was killed. Eddie Arruza reports on steps being taken on the city’s West Side to combat the violence.

Dr. Cory Franklin spent 25 years leading Cook County Hospital's intensive care unit – more than enough for a lifetime of stories. The ICU's former chief joins Chicago Tonight to discuss his new book, Cook County ICU, his most memorable patients, and what they taught him.

Joel Weisman and his panel of journalists discuss the challenges Mayor Rahm Emanuel faces trying to win back voters amid the Chicago Public Schools' budget crisis, massive school closings, and rampant gang violence. Watch the web extra video.

Humboldt Park neighbors come together to get gangs off the street corner. Elizabeth Brackett has the story.

Chicago Police arrest alleged street gang members in the first prosecution under the Illinois Street Gang RICO law, designed to hold gang leaders accountable for violence. Cook County State's Attorney Anita Alvarez and other officials held a press conference to discuss the takedown. Watch the web extra video.

Two Illinois senators urge U.S. Attorney nominee Zach Fardon to make Chicago street gangs top priority. Elizabeth Brackett has the details.

The structure of Chicago gangs isn't what it used to be. The hierarchical organization of the past is largely gone, replaced by many smaller and fractured groups. We talk to three men with experience in dealing with gangs who give us their view of why young people belong to gangs and carry out violence.

“Gang-related” is a label that the Chicago Police Department applies to most murders in the city. Some residents inside Chicago neighborhoods, and even some crime experts, say police are too loose with the term.

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.