He was charged with defamation of the Prime Minister in statements concerning a border agreement with Vietnam signed on October 12, 2005, and held without trial in Prey Sar prison until January 2006, when he was released on bail.

[6] In 2012, he was summoned for questioning at Kandal Provincial Court after allegations that he had incited the employees of Tai Yang garment factory to illegal protests.

During his time on the commission, he faced prosecution under charges of "intential violence" from 2014 which Human Rights Watch called "baseless".

[10][11] He resigned from his position after two years, protesting against the CNRP's dissolution and laws distributing its parliamentary seats to other minor parties.

[14] The arrest was condemned by Cambodian civil society groups, several global union federations and human rights organisations, and the UN.