In March 2019 I had the opportunity to meet Mr. Thonevat Pou in Siem Reap.

Kambodschas Söhne

Die späte Heimkehr des Thonevat Pou

Listen to this radio portrait which is dated with 27.05.13, SWR2

https://www.ardaudiothek.de/tandem/kambodschas-soehne/54081918

download:

https://www.swr.de/swr2/leben-und-gesellschaft/Kambodschas-Soehne,aexavarticle-swr-46374.html

I could also find a transcript link for private use.

https://www.swr.de/-/id=11315858/property=download/nid=8986864/3j9cm/swr2-tandem-20130527-1920.pdf