The implications of the garda taping allegations are being felt in the courts.

This afternoon the Special Criminal Court heard evidence that phone calls were taped at Garda Headquarters and Harcourt Square in Dublin and 23 divisional garda stations outside the capital.

And a lawyer for John Dundon is to seek a review of his conviction for murdering Limerick rugby player Shane Geoghegan - as a result of concerns over possible taping.

Juliette Gash reports;