Police are investigating after they say a substitute teacher was caught allegedly having sexual intercourse with a student in a Pennsylvania cemetery.

Authorities say on May 6, in the area of the Easton Cemetery, Kelly Aldinger, 49, and a 17-year-old male were found engaged in sexual intercourse by an Easton Police patrol officer.

Police say at the time of the incident, Aldinger was employed by Source 4 Teachers and was working at Easton Area High School as a substitute teacher.

Once authorities began investigating, the Easton Area School District was contacted and assisted in the investigation.