BY Katie Dowd, SFGATE – Posted October 10, 2021

Susan Nason was a few days short of her 10th birthday when she went missing on Sept. 22, 1969. After an ordinary day at Foster City Elementary School, Susan walked to a friend’s house to drop off a pair of forgotten gym shoes. From there, she disappeared, kicking off a massive Bay Area search that tragically ended in the discovery of her body near Crystal Springs Reservoir a few months later.

The case went cold for decades. Then, 20 years...