Mary Lou Black, 72, was last seen on September 11, 2009, leaving her Atchison, Kansas, home with her husband Billie Bob Black, 74. The couple drove off in a light blue 1990 Honda Civic and were never seen again. Mary Lou had advanced Alzheimer’s disease; Billie had diabetes and difficulty walking.

Their house was found with lights on and personal items left behind, including both drivers’ licenses, a checkbook and Billie’s insulin, which suggested they did not plan a long absence. Searches including dragging the Missouri River recovered no trace of the couple or the vehicle. Family and authorities have speculated the car may have entered the river, possibly intentionally; relatives also recalled Billie making remarks about life being easier for their son if they were gone.

What did neighbors or travelers in the Atchison area remember about a light blue Honda Civic in the days after September 11, 2009?