Nancy Jean Culp, 68, of LaHarpe, Illinois, was found deceased near Nauvoo, Illinois, on May 28, 2015. Born August 24, 1946, in Fort Madison, Iowa, she was the daughter of William and Dorothy Breiner Plank and had married Dennis Culp in 1972; he died in 2011. She had previously lived in Des Moines, Iowa, before moving to LaHarpe.

This case is distinct from a separate 2016 homicide of another woman named Nancy Culp in Ohio; the two are not related.

If anyone knew Nancy Jean Culp, her activities in LaHarpe or Nauvoo in May 2015, or has information about her death, please come forward.