LOS ANGELES — At age 7, Libby Yamamoto came home from a sleepover to find that her father had been taken away by the village police in their Peruvian town.
It was 1943, and as World War II raged, mounting numbers of Japanese in her country were also rounded up by authorities.
The U.S. government had ordered the operation, citing "hemispheric security," according to historians and accounts from survivors.
