WATERVILLE, Maine — A tenured economics professor at Colby College has resigned and the Maine State Police Computer Crimes unit is investigating allegations he secretly recorded video of a female student in a bathroom while on a school trip to China.

The Morning Sentinel of Waterville says Philip Brown has not been charged with a crime.

On Jan. 28, Colby College President William Adams wrote students and staff that Brown had resigned after the college indicated it was prepared to fire him over a “violation of student privacy.”

An affidavit filed in court in Augusta says that on Jan. 22 two students on the China trip found computer images of a partially clothed female student.

Brown later told college officials the students’ allegations were true.

Brown could not be reached for comment.