Ross Allen of Kilmonaghan Lodge in Clara, Co. Offaly denies the murder of Christy Daly, whose body was found in a ditch in January 2014.
The prosecution believes he was shot by two Dublin assassins after he came across a bag of drugs in a laneway near his caravan.
The jury has been told it can consider the lesser charge of manslaughter and can also return a majority verdict if they can_ t reach a unanimous one.
Last week, Mr. Allen_ s co-accused walk free, after the DPP dropped the murder charge against him.
