Official media report silent on earlier police revelations that women and children were slain along with the male suspects.
Adult males must labor seven days a week for no pay, regardless of their ability, sources say.
The expulsion of Zhao Xinwei comes as the ruling party enforces new rules banning its members from going 'off message.'
Political education campaigns and forced labor projects keep Uyghur farmers away from their fields, hurting rural incomes.
Authorities in Xinjiang have been showing the film to villagers to deter them from doing the same.
Security efforts include the use of families to pressure or trick suspects, one official says.
The Muslim Uyghurs from three families who are believed to be responsible for the apparent revenge attack are still at large.
They had planned to use them against local authorities, but the depot was empty, he says.
Other sources say as many as 110 people may have been killed in the incident.
Children with forbidden names are prohibited from attending school if their parents refuse to change them.
Several of the alleged ‘separatist’ perpetrators are believed to be on the run.
His website had carried 'politically sensitive' stories about Uyghur history and culture.
Sources say the new policy is the latest restriction on the use of bladed tools in the Uyghur region.
A woman says she and her children are being held against their will by her brothers-in-law.
One local businessman says China's 'ridiculous policy' has failed to take hold.
Student spies check for 'separatism' and 'extremism,' are rewarded with future advancement in careers.
Cash rewards are offered for his capture, while punishment is threatened for helping him escape.