While baby-sitting, Sara heard strange fiddle music in the attic. She later learned who had lived -- and perished -- in that house years ago. Peggy was baby-sitting for two little girls whose beds began to shake on their own. The police were baffled. Then a noted investigator discovered the real cause of the ghostly disturbance. Another baby sitter noticed that a 4-year-old boy's scribbles on a note pad were actually a form of short-hand writing. The boy's message revealed a shocking family mystery. These and other true ghost stories have actually been reported by kids while baby-sitting.