Oeuth Ang claimed he killed Ley over a $3,000 debt, but evidence has mounted to support the widely held belief that the killing was a politically motivated assassination.
The political landscape has been sharply altered by Sam Rainsy’s resignation as head of the opposition.
The senators say they wrote as friends of Cambodia, who wish to see a strong relationship between the two countries but who are troubled by the increased social and political turmoil in Cambodia.
Kim Sok told VOA Khmer on Sunday that he had expected to face harassment from the ruling party following his comments.
Most recently, the Sei Ha page published audio recordings purporting to show key members of the opposition Cambodia National Rescue Party discussing sex acts.
The proposal was rushed through parliament amid an opposition boycott of proceedings in response to ongoing political tensions and legal proceedings against its leadership.
Despite ongoing discussions about whether war-era loans were actually humanitarian aid, some experts urge Phnom Penh to reschedule and repay.
Sam Rainsy and the CNRP party faced a series of political threats, including having the immunity of lawmakers stripped and several lawsuits launched against its leadership.
Leng Peng Long, a National Assembly spokesman, said last week that the Cambodian People’s Party’s 68 MPs would proceed “as soon as possible.”
Kem Sokha, formerly the deputy president, took over the post temporarily until the next party conference in 2018 when a new leader will be chosen.
In a letter dated February 11 posted on his Facebook page, Sam Rainsy said the decision to step down was for “a personal reason”.
Sam Rainsy’s resignation was seen as a surprise to his supporters, Cambodians in general, and politicians.
Hun Sen has garnered more than 7 million likes, while Sam Rainsy’s page has about 4 million followers.
Sam Rainsy resigned his membership in the Cambodia National Rescue Party in response to plans by government to change election laws so that political parties could be dissolved if their leaders have criminal convictions.
"In all circumstances I continue to cherish and to uphold the CNRP's ideals in my heart,'' Sam Rainsy wrote on his Facebook page as he resigns from CNRP.
Cambodia’s parliament has 123 seats, a figure that will increase to 125 following the 2018 elections.
The government rejected the Cambodia National Rescue Party’s assertion, but the CNRP continued to submit similar claims regardless.
The interview discusses the legacy of the Asean Sunnylands Summit, held one year ago, and the legacy of former President Barack Obama’s policy of engagement with Asean.
The premier said that debts incurred to private micro-finance institutions could not be canceled by the state and ordered officials to detain anyone caught making such claims.
A number of young people were detained in 2016 for making social media posts deemed to be inciting violence.
William Heidt said that he was disappointed that Cambodian politicians did not favor dialogue to cope with challenging issues.