A grandpa’s haunting Thanksgiving ghost story appeared to help two brothers uncover a near 200-year-old “murder mystery.” Bill and Frank Watson were told a chilling tale about 57 Irish immigrants who died at a railroad site in Pennsylvania during the cholera epidemic in 1832. The area is now known as “Duffy’s Cut” as the rail workers’ boss was named Philip Duffy. It is a stretch of tracks located around 30 miles from Philadelphia. The brothers were told the chilling tale by their grandpa – a railroad worker – every Thanksgiving. They believe the rail workers died violently and not from...