Child Last Seen: The Search for Patty Desmond

HER CASE HAD BEEN CLOSED-BUT NOT FORGOTTEN.

On an unseasonably warm winter evening in Pennsylvania, 15-year-old Patty Desmond sneaked out through the basement of her house. She had a history of running away, and that, combined with an argument with her mother, gave police reason to suspect she'd come home in a week or two.

The year was 1965. That night was the last time her family ever saw her.

Conrad Eugene Miller was well-known to local law enforcement. An older married man with a child, Mil...