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Agnes McConville: 'We don't know why they took our mother'

1 May 2014 Last updated at 12:44 BST

In an interview filmed in January 1973, Jean McConville's children speak to a BBC Northern Ireland's Scene around Six programme about what happened the night their mother disappeared.

Speaking to reporter Graham Leach, they describe how four girls came into the hall, ordered the children upstairs before taking away their mother, who let out 'a big squeal' as she left.