Police in Marblehead, Massachusetts, are investigating after an anti-Semitic message was written on the Marblehead High School baseball field.
Officers initially responded to the high school for a report of a broken window.
A suspect threw a large rock through one of the large double pane windows in the main office.
A vehicle was observed moving around the building around 10:15 p.m. during then night of in incident.
Officers are unsure whether the occupants inside the vehicle are the suspects responsible for the vandalism.
While police were at the school, one of the custodians pointed out the baseball field where a message that said "Jews did 9/11" was written."
Police can't say for sure whether or not both incidents happened at the same time or if the same person is responsible.
Anyone with information is asked to contact police.