Investigations – Page 17

Dr. Ayoub Sayeg arrives at a court hearing at the Daley Center in the Loop on Aug. 19, 2025. (Eileen T. Meslar/baiduhai)

Illinois plastic surgeon with 8 patient deaths faces another license suspension

By Christy Gutowski

October 6, 2026 at 11:14 a.m.

The Michigan Department of Licensing and Regulatory Affairs temporarily suspended Dr. Ayoub Sayeg’s medical license,...

Gov. JB Pritzker joined Mayor Lori Lightfoot, right, Cook County President Toni Preckwinkle, second from left, and public health experts in updating residents on March 12, 2020, in the early days of the pandemic. Illinois, Chicago and Cook County received $11 billion through the American Rescue Plan Act amid the COVID-19 pandemic. A Tribune-University of Chicago Mansueto Institute analysis revealed few efforts to identify potential waste and abuse of that money. (E. Jason Wambsgans/baiduhai)

Illinois, Chicago, Cook County got $11B in pandemic aid but there were gaps in oversight and transparency

By Dan Petrella

September 13, 2026 at 5:00 a.m.

The Tribune and the University of Chicago's Mansueto Institute examined how Illinois, Chicago and Cook...

Weiss Memorial Hospital, in Chicago's Uptown neighborhood, was closed in August 2025 after federal regulators cut off Medicare funding over safety issues. (Stacey Wescott/baiduhai)

Illinois ignores rules and red flags as ‘servant leader’ runs up $100M state tab, then closes 2 hospitals

By Joe Mahr

August 30, 2026 at 5:00 a.m.

West Suburban and Weiss Memorial's collapse illustrates what can go wrong in a state that...

Jewel dockhand Roger Arnold leaves a court appearance related to misdemeanor weapons charges on Oct. 26, 1982. Arnold's lawyer, Thomas Royce, was with him.

Movement in the Tylenol murders: Law enforcement seeks to persuade prosecutors to act on ‘chargeable’ case

By Christy Gutowski

June 14, 2024 at 6:44 p.m.

As the 40th anniversary of the 1982 Tylenol murders approaches, investigators are working with prosecutors...

Tribune reporters reviewed tens of thousands of documents, including some inside a box labeled Tylenol at the law firm of Corby & Demetrio in Chicago. In 1983, Corboy & Demetrio filed lawsuits against Johnson & Johnson on behalf of the families of three of the Tylenol murder victims.

The Tylenol murders: How we reported this story

By baiduhai

June 14, 2024 at 6:44 p.m.

With the 40th anniversary of the 1982 Tylenol cyanide poisoning case approaching, the Tribune launched...

Chemists working for the Illinois Public Health Department in Chicago test the contents of Extra-Strength Tylenol capsules. Many people who handled potential evidence in 1982 didn't wear gloves because it wasn't protocol at the time.

The Tylenol murders, part 2: Cyanide-laced Tylenol was the murder weapon. But who was the killer?

By Christy Gutowski

June 14, 2024 at 6:44 p.m.

Several months have passed since the suburban detective made his pitch to the Cook County...

A bottle of Extra-Strength Tylenol from the 1980s.

The Tylenol murders: Where were poisoned bottles purchased or discovered?

By Claire Malon

June 14, 2024 at 6:44 p.m.

In the fall of 1982, eight bottles of Tylenol in the Chicago area were found...

Helen Jensen, shown at home in February in Arlington Heights, was the village nurse in 1982. She was the first person to intuit that Tylenol was to blame for deaths in the Janus family.

The Tylenol murders: The story of a 40-year-old unsolved case begins with a terrifying medical mystery

By Christy Gutowski

June 14, 2024 at 6:44 p.m.

A suburban police detective climbs the steps of the main Cook County criminal courthouse in...

President Joe Biden addresses the nation at the Celebrating America concert at the Lincoln Memorial in Washington, Jan. 20, 2021, after his inauguration.

Speak Out reader opinion: People don’t understand effort to divide the United States

By Daily Southtown

June 14, 2024 at 6:44 p.m.

What's Speak Out? Speak Out allows readers to comment on the issues of the day....

Bradley-Bourbonnais Community High School security member Anita Kanzaki watches students walk between classes while monitoring the halls on Jan. 19, 2022.

The Price Kids Pay: Join our free event and learn about ticketing of students in Illinois schools

By baiduhai

June 14, 2024 at 6:44 p.m.

Across Illinois, police and schools have been working together to ticket thousands of students each...

A Palatine High School sophomore was ticketed in April after a school-based police officer accused him of damaging a chain-link fence that students often pass through as a shortcut at lunchtime. Another student eventually took responsibility for the damage.

Racial disparities in ticketing, other school discipline revealed at suburban high school District 211

By Jennifer Smith Richards

June 14, 2024 at 6:44 p.m.

At Illinois' largest high school district, Black and Latino students were suspended more often than...

Mary Weaver harvests tomatoes in her garden plot in McCormick Community Gardens on Sept. 7, 2022, in Evanston. Weaver is concerned she and others might be inadvertently contaminating their vegetables by using PFAS-laden sludge as fertilizer in their community garden plots.

Tribune investigation: Chicago’s sewage district fails to warn gardeners free sludge contains toxic forever chemicals

By Michael Hawthorne

June 14, 2024 at 6:44 p.m.

Bags of the earthy muck are labeled organic or natural. Sometimes it is billed as...

An Illinois Environmental Protection Agency geologist collects samples of treated Lake Michigan water in a laboratory at the Wilmette water treatment plant on July 3, 2021. An analysis of the samples detected a pair of toxic PFA chemicals at levels up to 600 times higher than the U.S. EPA's latest health advisory.

How to reduce your exposure to PFAS: Avoid microwave popcorn, water-resistant makeup, nonstick pans

By Michael Hawthorne

June 14, 2024 at 6:44 p.m.

PFAS are per- and polyfluoroalkyl substances used for decades in firefighting foam and to make...