William Zientek is accused of luring Dr. Olga Duchon to his home on Nov. 17, before beating her with a baseball bat and shooting her in the chest.

William Zientek, 46, was indicted last month in the shooting death of Dr. Olga Duchon, of Vernon Hills.

Prosecutors said William Zientek lured Dr. Olga Duchon to his home in Barrington on Sunday on the grounds of having a face-to-face talk.

William R. Zientek is accused of shooting and killing Olga Duchon, 42, Sunday in the 400 block of West Russell Street in what police described as a domestic dispute.

On Sunday afternoon, Dr. Olga Duchon, was the featured speaker at a discussion with members of the Ukrainian Medical Association on weight loss medication.

Grisly new details were revealed in court Wednesday regarding the murder of a woman in Barrington on Sunday during a fatal encounter with her ex-boyfriend.

Her family says Duchon hated guns, and filed an order of protection against Zientek in 2021, requiring him to surrender his firearms. Relatives now say they're trying to protect her child.

A woman is trying to gain custody of her niece after Dr. Olga Duchon was killed in Barrington; the girl's father, William Zientek, is charged.

Authorities identified Olga Duchon, 42, on Monday after officers found her with a gunshot wound late Sunday afternoon on West Russell Street in Barrington.

Prosecutors said William Zientek lured Dr. Olga Duchon to his home in Barrington on Sunday on the grounds of having a face-to-face talk.