The American woman was 26-years-old when she disappeared from her home flat in Dublin on March 26, 1993
The man arrested on suspicion of murdering Annie McCarrick in 1993 has been released without charge, gardaí in Dublin have confirmed.
Aged in his 60s, he was arrested on Thursday morning and detained under the provisions of Section 4 of the Criminal Justice Act 1984.
Continuing to look into the disappearance and murder of the American woman, searches in relation to this investigation remain ongoing and are being supported by a cadaver dog.
Gardaí have confirmed that these searches, of a property in Clondalkin, Dublin 22, will continue over the weekend and updates will be provided as appropriate.
They have stressed the current residents of the property have no involvement with the disappearance or murder of Annie McCarrick who was 26-years-old at the time of her disappearance.
Annie was the only child of her father John, now deceased and mother Nancy. She was originally from New York.
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