The former CEO of Abercrombie & Fitch (A&F) has dementia and late onset Alzheimer's disease, his legal team has said in a court document filed in New York.
Lawyers for Mike Jeffries have requested a hearing to determine whether he is mentally fit to stand trial on federal sex trafficking charges.
The 80-year-old was arrested alongside his partner in October and charged with running an international sex trafficking and prostitution business. Both men have pleaded not guilty.
A so-called competency hearing has been scheduled for June next year.