A WTTW News reporting initiative diving deep into neighborhood crime, violence and public safety as residents, policymakers and community groups work to address the growing issue.

Robert Crimo Jr., left, pleaded guilty to seven counts of misdemeanor reckless conduct. (E. Jason Wambsgans / Pool / Chicago Tribune / AP via CNN Newsource)

Prosecutors over the past few years have been slowly, but steadily, expanding the notion of who can be held accountable for a mass shooting.

Chicago Police Department Headquarters, 3510 S. Michigan Ave. (Michael Izquierdo / WTTW News)

The Chicago Police Department has fully met just 6% of the consent decree’s requirements, according to the most recent report by the team monitoring CPD’s progress.

(WTTW News)

By the contract's final day, Chicago taxpayers will have paid more than $53 million since 2018 for a system that Mayor Brandon Johnson said never provided a return on the city’s investment or the results that it promised.

Second gentleman Doug Emhoff speaks Feb. 27, 2024, at the Eisenhower Executive Office Building on the White House complex in Washington. (AP Photo / Jacquelyn Martin)

Biden is expected to speak Wednesday afternoon about how his American Rescue plan has helped Detroit pay for bonuses and hire 200 additional officers, Milwaukee fund gun crime investigations and Chicago better focus on community violence intervention efforts.

(Michael Izquierdo / WTTW News)

According to the Chicago Police Department, four people were killed by gunfire and another 17 people were wounded in separate shootings between 6 p.m. Friday and 11:59 p.m. Sunday.

Youth activists organized a peaceful march to Mayor Lori Lightfoot’s home on Aug. 13, 2020, to demand the removal of resource officers from Chicago Public Schools. (Matt Masterson / WTTW News)

A new resolution from the city’s Board of Education directs Chicago Public Schools CEO Pedro Martinez to enact a new whole school safety policy, which “must make explicit that the use of SROs within District schools will end by the start of the 2024-2025 school year.”

(Michael Izquierdo / WTTW News)

According to Chicago Police Department data, 19 people were injured or killed in 16 separate shootings between 6 p.m. Friday and 11:59 p.m. Monday.

(WTTW News)

Chicago first entered into a contract with ShotSpotter in 2017. The controversial technology relies on microphones and sensors to identify the sound of gunfire and alert law enforcement.

(WTTW News)

Chicago will stop using the ShotSpotter technology by Sept. 22 — one month after the Democratic National Convention takes place in Chicago and after the summer months that are often the most violent period of the year, Mayor Brandon Johnson announced.

(WTTW News)

The city’s current contract with SoundThinking — which was previously known as ShotSpotter — expires Feb. 16. Mayor Brandon Johnson made a campaign promise to end the contract, but has not yet indicated whether he’ll renew the deal.

A ShotSpotter microphone is pictured on Feb. 7, 2024. (WTTW News)

Supporters say the ShotSpotter system is a useful tool that helps Chicago police officers get to crime scenes faster. But critics say the technology is unreliable and contributes to over policing in communities of color.

People visit a memorial at Marjory Stoneman Douglas High School to honor those killed on the 5th anniversary of the mass shooting on Feb. 14, 2023, in Parkland, Florida. (Saul Martinez / Getty Images / File)

From 2008 to 2017, about $12 million in federal research awards were granted to study pediatric firearm mortality each year – about $600 per life lost, according to a study published in Health Affairs. Motor vehicle crashes, the leading cause of death among children at the time, received about $26,000 of research funding per death.

City Council Set to Weigh Push to Require CPD to Study How Officers Are Deployed, Despite Political Peril

The Chicago Police Department would be required to immediately launch a new study of whether officers are efficiently and effectively deployed across the city, under a measure set to be considered by a key City Council committee.

(Michael Izquierdo / WTTW News)

According to the Chicago Police Department, there were 31 homicides recorded through the first month of 2024. That’s the lowest total for any January since 2019 (23 homicides) and the third-fewest in the last decade.

Arne Duncan, former Chicago Public Schools CEO and the founder of the gun violence prevention nonprofit Chicago CRED, speaks at a news conference Feb. 1, 2024. (WTTW News)

The Scaling Community Violence Intervention for a Safer Chicago initiative aims to link local community groups. The goal is to coordinate care and spending between the city, county and state governments, community organizations and the business community.

Larry Snelling and Mayor Brandon Johnson shake hands while addressing the media during a press conference announcing Snelling’s appointment as the Chicago Police Department’s superintendent Aug. 14, 2023. (WTTW News)

Speaking Wednesday before the Economic Club of Chicago, Police Superintendent Larry Snelling said police officers will always have some role in school safety, even if they’re no longer working inside schools.