French authorities will today ask the Irish courts for access to Ian Bailey's personal diaries as part of an investigation into the murder of Sophie Toscan du Plantier in West Cork in 1996.
French investigators had planned to question the 55-year-old before deciding whether or not to charge him in connection with her death.
Mr Bailey's outright victory in the Supreme Court ruled that is no longer possible for him to be extradited unless he is to be put on trial.
However, authorities in France have not dropped the case.
Today in Dublin, lawyers will apply for a District Court order directing gardaí to hand over copies of Ian Bailey's diaries, seized during the original murder investigation.
This effort to secure his journals suggests that the French may yet move to try Mr Bailey in his absence.