Published Tuesday, 24 June 2014
Police suspect the teen was murdered. (© Family picture)
The 19-year-old lived in Hanover Street with her boyfriend in the Co Armagh town and went missing in April 1989.
Police believe she was murdered, however, her body has never been found.
Over the past two years, police have appealed for information and carried out searches in the town.
On Tuesday, police arrested the pensioner in Portadown in connection with their investigation.
She was later freed without charge.
© UTV News