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. Latest U.S.

Man charged with murder of doctor in Barrington, Illinois. Prosecutors said Zientek lured Duchon, his ex-girlfriend, to his home in Barrington on Sunday on the grounds of having a face-to-face talk.

CHICAGO (CBS) --The man accused of shooting and killing his ex-girlfriend – a well-known northwest suburban doctor – formally pleaded not guilty to murder charges on Thursday. William Zientek ...

Doctor shot, killed in suburban Chicago home just after giving presentation 02:24. BARRINGTON, Ill. (CBS) — A well-respected suburban doctor was shot and killed in a Barrington home over the ...

Dr. Duchon was granted an order of protection in 2021, requiring Zientek to turn over his firearms. Zientek, through his attorney, also made claims that their daughter had been molested by someone ...

Duchon's family and friends vow to be at every hearing for the man accused of killing her. "We're committed to make sure this murderer in prison for the rest of his life," sister Tatiana Maya said.

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.

Duchon, of the 800 block of Saugatuck Trail in Vernon Hills, was pronounced dead at Advocate Good Shepherd Hospital in Barrington, police said.

The victim, Dr. Olga Duchon, was found dead around 5:30 a.m. in the home of 46-year-old William Zientek, with whom she shared a 3-year-old daughter, following a violent assault involving a ...

William R. Zientek, 46, is charged with first-degree murder in the Nov. 17 death of Vernon Hills endocrinologist Olga Duchon, who is the mother of their young child.

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.

Authorities believe Duchon drove from the Wheeling event sponsored by the Ukrainian Medical Association of North America to Zientek’s townhouse in Barrington, where she was shot at about 5:30 p.m.