TIMOTHY A. CLARY/AFP via Getty Images
- A former aide to Chinese billionaire Guo Wengui has pleaded guilty to fraud.
- Yvette Wang admitted to conspiracy weeks before her ex-boss is set to stand trial.
- Guo is accused of defrauding online followers out of more than $1 billion.
Yvette Wang, a former aide to indicted Chinese billionaire Guo Wengui, pleaded guilty to fraud, federal prosecutors said Friday.