The Princeton University professor charged with stealing 21 signs from in the area of Rosedale and Elm roads is scheduled to appear in pre-trial hearing on September 8. John Mulvey, 67, will appear in Princeton municipal court with his lawyer, Kim Otis.

Mr. Mulvey was videotaped removing the two-by-two-foot signs advertising Princeton Computer Tutor, which is owned by Ted Horodynsky. Mr. Horodynsky has claimed that the signs, which are valued at a total of $471, began to disappear after Mr. Mulvey cut him off in traffic.

Mr. Mulvey teaches operations research and financial engineering. He was charged with theft after the signs started disappearing in June 2013. He has said that he intends to fight the charges, and claims he was picking up debris. The signs were found by police in his garage.