HARRISBURG, Pa. (AP) - Bill Cosby's wife wants a Pennsylvania ethics board to investigate the judge set to sentence her husband next week on felony sex assault charges.

Camille Cosby is renewing allegations that trial judge Steven O'Neill had a grudge with a key witness in a pretrial hearing. O'Neill sent the case to trial afterward, and Cosby was convicted this spring. A family spokesman says Camille Cosby will be in Harrisburg to file a complaint Monday with the state Judicial Conduct Board.

Defense lawyers have filed a similar motion in Montgomery County Court asking O'Neill to step down. Cosby faces up to 10 years in prison or more at the Sept. 24 sentencing. The Cosbys say they've hired a former FBI agent to investigate the alleged feud between O'Neill and witness Bruce Castor, a former prosecutor who declined to prosecute Cosby a decade earlier.