He has investigated government corruption and cover-ups, in particular the Sichuan schools corruption scandal following the collapse of "tofu-dreg schools" in the 2008 Sichuan earthquake.
Investigou a corrupción e os encubrimentos do goberno, en particular no escándalo de corrupción das escolas de Sichuan que seguiu ó Terremoto de Sichuan de 2008.