What do you do if you're the supervisor of an 18th century Prince George's County Parks and Recreation manor that is now plagued by supernatural activity?

If you're Mary Schiappa, you call the local ghostbusting group to investigate.

The Greater Maryland Paranormal Society (GMPS) was established in 2006 as a nonprofit paranormal investigation group. Its members took to Snow Hill Manor in South Laurel on Friday to investigate claims by staff that the home is filled with supernatural activity.

Check out our video of the event and click here to read the full story.