AURORA, Ind.—DNA testing has confirmed that a bone found in an SUV pulled last fall from the Ohio River in Indiana is from an Ohio woman who vanished in 2002 along with her two young children, authorities said Tuesday. Dearborn County Coroner Cameron McCreary learned Friday the bone had been confirmed as belonging to Stephanie Van Nguyen, who was 26 when she disappeared with her 4-year-old daughter, Kristina, and 3-year-old son, John, Indiana State Police said. Van Nguyen, who was from Delhi Township in southwestern Ohio, left a note in April 2002 saying she was going to drive into the Ohio River, but her vehicle was not located at the time, police said. The 1997 Nissan Pathfinder was found in October submerged in the river near Aurora in southeastern Indiana and a subsequent search of the SUV led to the discovery of one bone, believed to be from a human. …