Bennett Haeberle

The mother of the suspected shooter charged with killing four passengers Monday aboard a CTA Blue Line train said she believes her son suffered a mental breakdown.

In the hours after a young boy was seriously hurt and airlifted after being thrown from an amusement ride at a summer festival last year, state inspectors almost immediately identified problems with the ride, according to reports obtained by NBC 5 Investigates.

The parent company behind the technology announced plans to begin removal of sensors early next week

The company behind the controversial gunshot detection technology ShotSpotter will begin removing its sensors across Chicago on Monday, hours after its contract expires with the city.

CHICAGO - Facing a nearly $1 billion budget deficit, Chicago Mayor Brandon Johnson side-stepped questions Thursday about a $100 million pay increase

Invoices and receipts uncovered by NBC 5 Investigates are raising questions about why during a time of financial crisis the city spent more than $80,000

The revised plan will mean migrants and Chicagoans experiencing homeless will have to apply for a limited number of beds starting Jan. 1.

When John heard the news on a recent Friday, it hit him hard: Elliott Nott, a former Chicago public schoolteacher and John’s former colleague, had been arrested and charged with three counts of child exploitation, after allegedly exposing himself to three girls – ages 10, 9, and 7.

Over the past two weeks, NBC 5 Investigates reached out to more than 100 election officials across Illinois, southern Wisconsin and parts of northwest Indiana to ask local election officials about the upcoming election, their preparedness and their concerns.

While election officials have ramped up efforts to combat misinformation and reassure voters the election is secure - election threats remain a concern, according to an NBC 5 Investigates’ review of police records and memos from federal agencies.