http://www.police.gov.kh/archives/10833?fb_ref=Default

Foreigner dead in a rental room of Otres City restaurant (and guesthouse).

Sihanoukville
A foreigner died in his room belonging to Otres City which is located in Village 6, Sangkat 4, Sihanoukville city/province.
The incident happend at 9PM on April 17 2016.
The victim was identified as Planck David Bruce, male, 72YO, US national, tourist, holder of the passport XXXXXXXXXX valid till 02.12.2020.
According to the police:
An examination of the corps showed that the victim died of an illness related to his old age (ជំងឺជរាពាធ).
The body is kept at the Provincial Referral Hospital awaiting a decision from the embassy.

Read more here.