According to DAP News (Graphic Warning!)
Irish man found dead in Gueshouse Domrey Sar (White Elephant)

One Irish national was found dead inside the room of the Domrey Sar (White Elephant) Guesthouse located in Sangkat Prek Aeng, Khan Chbar Ampov on January 3 2016.

According to the report the victim was identified as Andrian McCain (អែនឌ្រៀន មែខេន), Irish national, 40 years old.
In the case of this death there are no conclusions made yet.

Read more here.