A man was arrested earlier this week, in connection with the investigation into Jo Jo's disappearance and murder - but has since been released without charge
A search operation will continue this weekend, and early into next week, on open ground in Co. Wicklow, for the remains of Jo Jo Dullard.
It comes almost a week on from the 29th anniversary of her disappearance.
The 21-year-old, from Callan in Co. Kilkenny, was last reported to have been in Moone on November 9th, 1995.
A man was arrested earlier this week, in connection with the investigation into Jo Jo's disappearance and murder - but has since been released without charge.
Gardaí are appealing to anyone with any information to contact them.