William R. Zientek, 46, is charged with first-degree murder in the slaying Sunday of endocrinologist Olga Duchon in the 400 ...

The doctor's young daughter was home when the deadly shooting happened. The suspect, who is the girl's father, claimed ...

The suburban man accused of shooting and killing a prominent Lake County endocrinologist will make his first court appearance ...

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

A Barrington man suspected of killing north suburban endocrinologist Olga Duchon was ordered detained Wednesday after ...

Prosecutors say a Barrington man accused of fatally shooting his estranged girlfriend in the chest Sunday “savagely beat her ...

William Zientek, 46, of Barrington, was ordered held until trial on a first-degree murder charge by Cook County Circuit Court Judge Ellen Mandeltort.

William Zientek, 46, was ordered held until trial on a first-degree murder charge by Cook County Circuit Court Judge Ellen Mandeltort. His next court date was scheduled for Dec. 13 at the Rolling ...

Grisly new details were revealed in court Wednesday regarding the murder of a woman in Barrington on Sunday during a fatal ...

William Zientek, of Barrington, is charged with one count of first degree murder in the killing of the mother of his child, prominent Lake County endocrinologist Dr. Olga Duchon NBC Universal ...

Two very different stories were presented in William Zientek's first Cook County court appearance. Prosecutors presented evidence collected by Barrington police suggesting that Dr. Duchon was ...