Nancy Kay Tharp was 23 when she vanished from Brooklyn Park, Minnesota, on August 20, 1977. She left home that day to buy a birthday cake for her young son, Ryan, and never returned. At the time she was married to her high school sweetheart, Daniel Tharp, and had grown up in Wisconsin.

Described as a white female with blonde hair and blue eyes, she is 5 feet 6 inches and about 125 pounds. Her disappearance produced few clues, and despite attention from the Brooklyn Park Police Department, no substantial developments have emerged. Family and investigators continue to hope for information that could explain what happened to her.

If anyone knew Nancy, her routines, or saw her in Brooklyn Park around August 20, 1977, can you share what you remember?