Siblings Bridie and Patrick Collins have spent 26 years trying to find their missing sister Sandra who vanished on a December night in 2000 from the small fishing village of Killala in County Mayo.

Over the past year, the Crime World team has been delving into the story of Sandra in the hopes of unearthing information that might lead gardai to her remains.

Nicola talks with Bridie and Patrick about Ghost: The Disappearance of Sandra Collins and their ongoing efforts to find her.

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