A judge acknowledged making a mistake in a trial of a man convicted of sexually assaulting a woman with multiple personalities and ordered a new trial.

Winnebago County Circuit Judge Robert Hawley Monday signed an order for a new trial for Mark Peterson, 29, convicted Nov. 8 under a state law that makes it a crime to have sex with someone who is mentally ill and cannot understand the consequences of the behavior.Peterson admitted having sex with the 27-year old woman but said he did not know she was mentally ill.

The woman says she has 46 distinct personalities and assumed the identities of sevleral of them in her testimony.

Hawley acknowledged in his order that he erred in refusing to allow a defense psychiatrist to interview the victim. But he also said the defense attorney, Edward Salzsieder, should have pursued that effort.