Mary Flanagan was aged just 16 when she disappeared from her London home on New Year's Eve, 1959. She is the UK's longest missing person’s case.

In this episode Mary's sister, Brenda, reveals a significant sighting of a woman who went into a police station in Scotland in 2016, could this have been Mary?

And a further sighting from a neighbour and someone who knew Mary, who saw here wearing a new pair of glasses.

The forensic artist Tim Widden explains how he sets about creating an age progression image.

Brenda discusses some of her theories about Mary; was she pregnant, did she run away to start a new life or has she been murdered.

Ultimately, Mark Williams-Thomas provides a breakdown of what is known and gives an overview of what he believes has happened to Mary.

Hosted on Acast. See acast.com/privacy for more information.