Anne Arundel County police are searching for the vandal or vandals who shattered windows in 13 cars and set one car afire on the parking lot of Harman Elementary School.
Owners of the cars had parked there while on an overnight camping trip, police said.
About 12:20 a.m. Monday, a Western District patrol officer who was checking the school noticed someone running from the back of the school building. The officer investigated and found a broken window, police said.
The officer next found that 13 cars had been vandalized on the parking lot of the school, which is in the 7600 block of Ridge Chapel Road. Car windows had been shattered and the bodies had been dented, police said.