An Oklahoma doctor who allegedly stabbed his 9-year-old son to death is due in Oklahoma County district court. A hearing for Dr. Stephen Paul Wolf is scheduled Friday before District Judge Donald Deason. He's scheduled to go on trial Monday. Wolf is charged with first-degree murder in the Nov. 16, 2009, stabbing death of his son, Tommy, in the family's suburban Oklahoma City home. He's pleaded not guilty. The 52-year-old Wolf has been diagnosed with bipolar disorder and his history of mental illness is expected to be a key issue in the case. A psychiatrist Wolf has seen since 1991 diagnosed him with bipolar II disorder, which involves deep depression as well as manic episodes. Wolf had been prescribed a mood stabilizer and anti-psychotic medication before his arrest. Copyright 2011 The Associated Press.
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