Yorm Bopha was arrested in December 2012 during demonstrations in Phnom Penh and held for nearly a full year before she was released.
The five men were part of a group of 25 who received suspended sentences last week on charges related to violence in demonstrations in January.
The decision brings to a close a trial series that was widely criticized as deeply flawed and as an attempt to curtail future demonstrations.
A court found 23 people guilty of violence during strikes by garment workers, but all were given suspended sentences and freed
Hundreds of demonstrators gathered outside the government’s Anti-Corruption Unit on Thursday, demanding investigations into a variety of land grabs, forced evictions and other crimes.
Critics say Somaly Mam fabricated her own life story and the stories of several other women who claimed to be sex trafficking victims
Ruling party lawmakers are dismissing criticism by the UN’s special envoy for human rights over their passage of three judicial reform laws.
Von Pov told the court Wednesday he had joined demonstrations to call for a raise in the minimum wage, to $160 per month, but not to directly attack the Yak Ching factory, as alleged.
Phnom Penh Municipal Court reopened a hearing against 23 labor activists, including questioning of union leader Von Pov, who was injured during a brutal crackdown on protests in January.
Human Rights Watch said such crackdowns benefit from the training Cambodian forces receive from the US—training that is supposed to be humanitarian in nature.
The trial of the 23 activists have been heavily criticized by rights groups, who say they are being tried to discourage further demonstrations.
Among them was a Burmese woman who spent seven years in prison, as well as Cambodian land activist Tep Vanny, an outspoken community leader who has also been jailed.