Matthew Harland, 38, was arrested in May last year and charged with for buying sex from an 11-year-old and a 12-year-old in 2006.
Cambodia has more than 3,000 non-governmental organizations, which bolster government functions in a variety of sectors.
Surya Subedi says his visit produced mixed bag of results, with limited government cooperation on measures for judicial reforms.
Subedi told reporters Thursday a functioning democracy required an effective opposition.
Surya Subedi, the human rights special representative for the UN secretary-general, is on a 10-day mission that ends later this week.
Meanwhile, Surya Subedi, the UN’s special envoy for human rights is in Cambodia to assess the courts.
The uprisings in Egypt and Tunisia surprised the world, deposing two long-term autocrats and sparking similar unrest across Arab states.
Callers expressed skepticism over implementation of the law and the independence of the Anti-Corruption Unit.
Ros Sovannareth was the second Free Trade Union activist of three killed in 2004.
Cambodia is facing an overcrowding of its jails, with an estimated 14,000 prisoners across the system in 2010.
Yoeung Baloung was supposed to be serving 13 years on charges related to illegal logging.