Ghosts galore at HOB fundraiserBy DINA MENDROSStaff WriterBIDDEFORD — Since he was a young boy, George “Pete” Lamontagne has been a true believer in the supernatural. His mother died when he was 11, and Lamontagne s father said he had sightings of her after her death.Lamontagne has accepted the existence of ghosts ever since.Later this month, he will share some of his experiences with those taking the “Secret Spaces, Haunted Places” tour. The event is a fundraiser for the downtown revitalization organization the Heart of Biddeford, andSw Haunted BiddefordPAGf A2The lagoon under the Pepperell Mill campus is one of the locations that will be featured on the upcoming “Secret Spaces, Haunted Places'tour in Biddeford.