The Illinois State Police are considering whether to get involved with an investigation into a hidden fund at Northern Illinois University. State police spokesman Sergeant Jose DeJesus says the agency's Internal Affairs division is currently reviewing the case of the so-called "coffee fund." University officials acknowledged they were looking into allegations that NIU employees sold scrap materials to a local company, which wrote checks to an account known as the ``coffee fund.'' Because the matter involves a public university, the case was turned over to the state for review.