A €10,000 reward is being offered for information about the death of Offaly publican Matt Farrell.
The 64-year-old was found dead in his pub, the Gaelic Bar, in Daingean on April 1.
He had been tied to a chair and had received head injuries.
Gardaí will be distributing leaflets and putting up posters today in Daingean.
Six people have been arrested and questioned but no charges have been brought against anyone.