Behind the oak doors of a 17th Century Hampshire Mansion lie thousands of missing persons files - hundreds of stories of broken families, false identities, lies, deception, and loss. This is the Missing Persons' Bureau, the national point of contact for all the country's missing people and unidentified human remains. From abandoned babies to lost children and missing adults, the Bureau tracks the living and identifies the dead. They currently have more than 1000 unidentified people on their books: those who died unnoticed and unnamed.
In this programme, reporter Penny Marshall goes inside the UK Missing Persons' Bureau to find out why people go missing and discover what happens after someone disappears, speaking to intelligence officers, police and the families involved to reveal the many stories which lie behind its walls.
Presented by Penny Marshall
Producer: Melissa FitzGerald
A Blakeway production for BBC Radio 4.