Three incidents of possible electronic spying on women at the University of Maryland have been reported this month, and an arrest has been made in one of them, campus police said Monday.

The arrest came in connection with a Wednesday incident in which a female employee entered a women’s bathroom stall in the biology-psychology building.

Police said she saw a cellphone on the floor, with its lens pointed in her direction.

The woman tried to question the occupant of an adjacent stall, but the device was picked up by someone who left, police said.

Ernest Attakora Marfo, 21, of Reistertown, Md., was arrested Monday in the incident, said Sgt. Rosanne Hoaas, a campus police spokeswoman.

His connection with the College Park campus could not be learned immediately.

The two other incidents occurred in dormitories. One was at LaPlata Hall on Wednesday, and the other was at Centreville Hall on Friday, police said. In both, they said, female students told of seeing handheld electronic devices apparently pointed at the insides of the stalls in which they were showering.

Police were looking into possible links among the incidents.

Get updates on your area delivered via e-mail