evidence: Charles Lieber: Harvard professor guilty of hiding ties to Chinese programme [...] Charles Lieber was found guilty of making false statements to authorities, filing false tax returns and failing to report a Chinese bank account. His sentencing date is yet to be decided. [...] Prosecutors in Boston said Lieber knowingly hid his involvement in China's "Thousand Talents Plan", which aims to attract foreign research specialists. It has been flagged by the US as a security concern in the past.