Man charged with murder of doctor in Barrington, Illinois

BARRINGTON, Ill. (CBS) -- A man has been charged with murder in a shooting that killed a doctor in Barrington this past weekend.

William Zientek, 46, stands charged with first-degree murder in the shooting that killed Dr. Olga Duchon. He is due for a detention hearing on Wednesday at the 3rd District Cook County Courthouse in Rolling Meadows.

Police in Barrington earlier called the shooting that killed Dr. Duchon a domestic incident. Zientek and Duchon had a child together.

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

Barrington police said about an hour and a half later at 5:30 p.m., Duchon was shot in the chest in a home in the 400 block of West Russell Street in Barrington—in The Arbors at Barrington apartment complex.

She was 42.

Barrington police and the Major case Assistance Team conducted a thorough investigation that led to the charges against Zientek, police said.