For the first time since he was an infant, Kyle Adler boarded a plane in February to meet his birth mother. The 36-year-old Chilean American, who was taken from her at nine months old and adopted by a U.S. family in 1990, is one of thousands who were illegally adopted during the military dictatorship of Gen. Augusto Pinochet. Their reunion was years in the making thanks to DNA tracing and organizations that are helping Chilean adoptees investigate their pasts.