The twin of Ireland's youngest missing person will meet the Taoiseach today

The twin sister of Ireland's youngest ever missing person is to meet with the Taoiseach Enda Kenny this afternoon.

Six-year-old Mary Boyle vanished from her grandparent's farm in Cashelard near Ballyshannon on the March 18, 1977.

Ann Doherty believes that her sister was murdered by somebody close to her , because she was going to reveal a terrible secret.

She claims that gardaí have protected her sisters killer and that he remains a danger to other children.

On her way in to Leinster House, Ms Doherty said she wants justice: “I’m just looking forward to the meeting with the Taoiseach, I’m going to speak to him about getting justice for Mary and getting her killer brought to justice.”