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Wicker Park, Bucktown, West Town

Man Charged With Fatally Stabbing Walgreens Employee Held Without Bail

Detectives think Sincere Williams intended to rob the Wicker Park Walgreens where Olga Calderon was killed.

Olga Maria Calderon, 32, was fatally stabbed at Walgreens in Wicker Park Sunday, Sept. 6.
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LITTLE VILLAGE — The man charged in the fatal stabbing of a Walgreens employee in Wicker Park was ordered held without bail Wednesday.

Sincere Williams, 18, has been charged with first-degree murder. Prosecutors and police allege he killed Olga Maria Calderon, a 32-year-old woman.

RELATED: 18-Year-Old Charged With First-Degree Murder After Walgreens Employee Fatally Stabbed

Credit: Provided
Sincere Williams, 18, has been charged with first-degree murder.

At 9:36 a.m. Sunday, Calderon was stocking shelves inside a Walgreens in Wicker Park, 1372 N. Milwaukee Ave., when Williams came into the store, walked up to her and stabbed her multiple times, officials said. 

Surveillance cameras show Williams walked up to Calderon from behind and grabbed her around the neck, prosecutors said Wednesday. Calderon attempted to fight Williams off, at which point he dragged her and stabbed her multiple times, prosecutors said. 

Calderon was pronounced dead at the scene. 

After the attack, Williams got rid of his clothes and the knife, officials said. Bloodied gloves, clothes and the knife were found in nearby yards.

Security cameras recorded Williams walking in the area, with some video showing a bloodstain on his pants, prosecutors said. Between the store’s surveillance cameras, and private and police cameras throughout the area, detectives were able to track Williams from his home, to the Walgreens and back to his home after Calderon was killed, prosecutors said.

At some point, Williams cut his hand, and he went to Northwestern Hospital on Sunday morning for stitches, prosecutors said.

Williams was taken into custody at 12:15 p.m. Tuesday at his apartment in Old Town. Inside the apartment, police found packaging for a knife that matched the brand and model number of the knife found in Wicker Park, prosecutors said.

Detectives said they believe Williams wanted to rob the store Sunday, but he didn’t take anything. Prosecutors said Wednesday they did not know a motive.

Williams is suspected of being involved in two recent robberies at Walgreens stores, including the one where Calderon was killed, Area 5 Cmdr. Eric Winstrom said Tuesday. 

He also has a burglary case pending in juvenile court, prosecutors said. 

Williams is a high school student who lives with his mother and has a history of schizophrenia and seizures, Assistant Public Defender Chris Anderson said Wednesday, according to the Tribune.

RELATED: Suspect Being Questioned In Killing Of Wicker Park Walgreens Employee

GoFundMe campaign created by Calderon’s sister, Andrea Calderon, had raised $52,000 as of Wednesday afternoon.

GoFundMe proceeds will go toward Calderon’s funeral expenses and to support her husband, Israel, and her two children, an 11-year-old daughter and a 3-year-old son. 

Andrea Calderon wrote that her sister was “the world’s very best mom, a loving partner, a dedicated daughter, my big sister and so much more.” 

“Her entire existence revolved around her little family,” Andrea Calderon wrote.

The Walgreens was reopened as of Wednesday. Mourners and well-wishers left flowers, balloons and candles near the store.

Credit: Hannah Alani/Block Club Chicago
Flowers, balloons and candles are left outside the Walgreens store at 1372 N. Milwaukee Ave in Wicker Park. Employee Olga Maria Calderon was stabbed to death while working a shift on Sept. 6.

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