Sandra Kay Ross was 31 and a nurse when she disappeared from Apex, North Carolina, on a Sunday in early 1984. Her husband, Robert Ross, said she left their home to pick up medication for their 16-month-old daughter at the Cary Village Mall around noon. When she failed to return after about an hour, he found her 1976 Chevrolet Malibu abandoned in the mall parking lot with her purse inside and no sign of Sandra.

Friends and family described her as a devoted wife and mother with no reason to leave. The night before she vanished the couple had hosted a party that reportedly ended around midnight; attendees recalled nothing unusual. Investigators conducted air and ground searches, interviewed more than 100 people, and distributed flyers, but the case went cold. Sandra’s mother later said there was something amiss in her daughter’s life at the time but gave no details. Authorities have re-examined the case and re-interviewed those close to Sandra in later efforts to solve it.

Did anyone who knew Sandra then or who was at Cary Village Mall that day notice anything unusual around midday?