Officials say legal action must be taken against the project developer Bothong Inter Group.
The state-run company plans to turn the center into a for-profit tourist attraction in Sayaboury province.
Investigators may be delaying to avoid implicating a provincial governor and his family.
Witnesses said 10 men abducted Ko Tee from his house in Vientiane.
Authorities apprehend 12 residents of Yeub village for cutting down trees on land granted to a Vietnamese rubber company.
Ko Tee fled to neighboring country after being summoned for “attitude adjustment.”
The Bank says it was correct to inform the public of PS Agriculture’s legal status.
Nearly 250 categories of compensation must be considered to ensure fair amounts are paid to those who lose land and crops to the mega-project.
They are accused of physical assault and detention, human trafficking, forcing people under 17 years of age to perform labor, and possessing illegal weapons.
Hundreds have returned home in recent weeks, amid fears of prosecution and exploitation.
Rights groups have slammed the harsh sentences handed down for Facebook posts criticizing the Lao government.
Seng Viyaketh denies that the timber, held after the 27 trucks carrying it to Vietnam were inspected at the border, belongs to her.
They say recommendations for the project by the Mekong River Commission do not go far enough.
They say he developed a pyramid scheme that defrauded stakeholders.
A legal expert suggests the country is rife with similar scams due to lax oversight.
Police deny his arrest, while a relative of the detained man asserts that authorities have him in custody.
Facilities that provide artificial insemination and surrogacy services are a new phenomenon in Laos, which has no laws or restrictions pertaining to them.