A man and a woman arrested in connection with the murder of a man in Leitrim, have been released without charge.
Patrick Heeran was last seen in Mohill Co. Leitrim in October 2011.
The missing persons investigation turned into a murder inquiry in 2016.
A man and a woman in their mid 20s were arrested on Thursday and questioned at Tullamore Garda station.
They have since been released without charge with a file being prepared for the DPP.