Besides, if the two chaps didn't have passports, how are they so sure of the names, nationalities, and places of birth??
article:
nokorwatnews.com/ជនជាតិរុស្ស៊ី២នាក់លួចជ/
quick translation wrote:Two Russians steal mined gem(s), arrested by police in Bar Keav district
Ratanakiri province: police forces of Bar Keav district, co-operating with forces from police post Ke Chong commune, on 23 November 2016 have arrested two men the moment they walked from Ouchum district [into Bar Keav] and entered at at “Bor Loy” [?ចបរឡយ] located at Ray village, Ke Chong commune, Bar Kaev district, Ratanakiri province; then at night [the men] entered all the houses in the area.
Sources from the police post at police post Ke Chong commune said that the 2 men were:
1) Il da, 47 years old, Russian nationality, born in Kazakhstan, current resides in Ouchum district
2) Danil Volinsky, 31 years old, Russian nationality, born in Moscow city, currently resides in Ouchum district.
After the police of Bar Keav district examined [the suspects] they did not have passports, which means they are staying [in Cambodia] illegally.
Currently, both foreigners have been sent for questioning at the office of immigration of the Ratanakiri provincial police.
edit: as per Joon's correction