Around 200 residents of the embattled Boeung Kak lake neighborhood gathered outside Phnom Penh court on Friday.
Wutty's death provoked outrage from rights groups, who claim the government frequently turns a blind eye to illegal logging.
Fundraising officially began over the Cambodian New Year last month for Wat Khmer in Lowell, Massachusetts.
Prime Minister Hun Sen said Tuesday a joint government committee will investigate the shooting.
The city of Lowell, Mass., officially coronated Cambodia Town during the Cambodian New Year.
Miners here say hundreds of families from various regions in the province have come to the area since last year.
The World Bank is holding an annual meeting and the ABD is currently reviewing its policies on projects.
The World Bank subsequently froze its funding to Cambodia, pending more results in curbing land grabs.
Thailand and China want to boost annual bilateral trade to $100 billion by 2015.
Skyscrapers are Cambodia's new symbols of prosperity and modernity.
Around 1.8 million Cambodians took the occasion of the New Year to travel around the country this year.
The group rates Cambodia the 20th-most corrupt nation in the world, putting it in the company of Guinea, Kyrgyzstan and Yemen.