A California real estate agent has been arrested on charges of working for China as an unregistered agent. The agent, Wanying Zhang, also known as Heather, is accused of spying on the family of Taiwan's president. According to federal officials, Zhang surveilled the president's son and his family, taking photos and videos, and sending license plate information to the Chinese government.

Zhang, 34, was taken into custody at an airport as she was leaving the country. She faces charges related to her alleged activities on behalf of China. Further details about the case are available from federal officials.