State police investigated three motor vehicle incidents at Liberty High School in Eldersburg between 8:30 a.m. and 12:08 p.m. Monday.
Officers said a 1986 Chevrolet Blazer was damaged in an apparent attempt to steal it. The door molding was damaged and the alarm sounded to scare off the tamperer.
A 1986 Chevrolet Silverado truck was stolen from the school parking lot and a stolen 1989 Oldsmobile station wagon was recovered on the lot.