Stephanie Boller was a five-year-old girl from Beaver Falls, Pennsylvania, who tragically disappeared on January 8, 1977. She had left her home to visit a friend, but after being turned away due to illness, she vanished on her way back. Despite extensive searches and investigations, her remains were discovered ten months later in Brady's Run Park, about five miles from her home. Stephanie had suffered a fatal skull fracture, but the circumstances surrounding her death remain unsolved.