The PSNI has renewed its appeal for information about the murder of Belfast woman Saoirse Smyth who was last seen around the 11 April 2017 when she was living in the Omeath area of Co Louth.
Ms Smyth's body has not been found and earlier this year gardaí searched a cottage in the Omeath area where Ms Smyth, 29, was residing when she disappeared.
PSNI detectives arrested a 40-year-old man and a 48-year-old woman from the Newry area in connection with the murder.
Both were released on police bail.
Today, the PSNI said they had identified a third suspect in the case.
The suspect is currently serving a sentence in Mountjoy Prison in Dublin has not yet been formally interviewed about the murder.