A Nichols Hills doctor decided today not to have a preliminary hearing, conceding prosecutors have enough evidence for a murder trial. Stephen Paul Wolf remained calm during his brief appearance in Oklahoma County District Court to waive his preliminary hearing. He has been emotional at previous court appearances. Wolf, 51, was arrested Nov. 16 after a police officer found him straddling his stabbed son, Tommy, 9, in the kitchen of their home, according to a police affidavit. He repeatedly told the police officer, “He's got the devil in him and you know it,” according to the affidavit. His wife, Mary Wolf, suffered cuts to her hands and face when she intervened. The doctor is charged with first-degree murder in his son's death and assault and battery with a deadly weapon in his wife's injuries. The next step in his case is a pretrial hearing. At a pretrial hearing, a judge meets with attorneys to schedule the trial. Attorneys sometimes will announce then that the case will be resolved through a plea agreement. Defense attorneys also sometimes announce a defendant will plead guilty and let the judge decide the punishment. Wolf’s pretrial hearing was set for June 30 but may be delayed. No agreement has been reached in Wolf's case. He is expected to use an insanity defense and seek mental treatment at a state hospital instead of going to prison. “I assume that's the direction they’re going,” said Assistant District Attorney Suzanne Lavenue. Defense attorney Mack Martin declined comment. The doctor also is facing a civil suit filed by his wife in the attack.
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