Travel agencies confirm there is a ban in place on Tibetan members of tour groups until mid-July.
Wei Yani lost interest in living after years of official persecution for her whistle-blowing, her lawyer says.
The leak gives a rare glimpse into the development of China's online propaganda machine.
Both men had accused authorities of covering up events leading to the shooting of petitioner Xu Chunhe.
The release comes as an armed mob leaves another lawyer in a Guangxi hospital with a broken leg.
Herders in the region's Ar Horqin banner say they were pushed off their ancestral grazing lands by a Chinese forestry company.
Local residents say the violence was triggered by riot police from a rival county.
Lawyers say the court is unlikely to offer justice for the victim because of behind-the-scenes “influences.”
Pu Zhiqiang also faces charges of 'picking quarrels and stirring up trouble.'
Security forces lock down the area, while local people call on the army for support.
The move is part of the Communist Party's 'stability maintenance' measures, which link hotels directly into police databases.
Local sources say two of the men had been in the Chinese army and are retraining as teachers, while a third was a driver.
Police thwart measures introduced since 2009 while judges ignore torture evidence, rights watchdog says.
Around 3,000 individuals say they have lost more than a billion yuan in an investment scheme.
The family of Xu Chunhe rejects an offer of compensation from the authorities.
They say it is the first time in seven years they could mourn their children without police interference.
The museum has been targeted by building regulators and its own building management company.