With the Annie McCarrick disappearance now upgraded from missing person to murder inquiry, gardaí say there is a strong prospect the case could be significantly advanced, or even solved.
For decades speculation centred on Wicklow following reported sightings – and the Garda’s focus on the area at the time is now under scrutiny.
It is believed that the young woman never left Dublin and the focus of the cold-case murder investigation will focus on where she lived in Sandymount and her friends, acquaintances and colleagues at the time.
Two men, who were interviewed in 1993 about the 26-year-old New Yorker’s disappearance, are now suspects in the case.
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Irish Times Crime and Security Editor Conor Lally explains the thinking that has pushed this cold case, the subject of so much speculation for decades, back into the headlines.
Presented by Bernice Harrison. Produced by Declan Conlon.