A local Senator is calling for anybody with information about the disappearance for Colomba McVeigh to come forward.
Senator Robbie Gallagher is reminding the public, that any information brought forward by the public is legally privileged.
Earlier this month, the most recent search for the remains of Columba McVeigh, one of the "disappeared" on Bragan Bog Co Monaghan ended without success.
The Independent Commission for the Location of Victims' Remains made the announcement.
Columba McVeigh was abducted, murdered and secretly buried by the IRA in 1975 when he was aged 19.
December's was the seventh search and it was based on a review of the area that was previously searched when a number of areas that hadn't been searched were identified.
Overall, between 26 and 30 acres have been searched over the years.
Senator Gallagher has said his thoughts are with the McVeigh family:
