Do you believe a house can become haunted? Gary Jansen didn’t…until it happened to him. In 2007, Jansen’s family witnessed a series of spooky events — electric toys turning on by themselves, the doorbell ringing in the middle of the night — that made him convinced he was dealing with a ghost. Laura Kwerel talks to Jansen about his strange experience, and about the uneasy relationship between religion and the paranormal.