El-Sayed's faith, family under scrutiny in campaign. Here's what we know.
If elected, Michigan Democrat Abdul El-Sayed would become the first Muslim U.S. senator in American history.
Alleged Chinese agent has ties to scam group, records show
A California realtor charged with working as a Chinese agent and her partner have links to individuals involved in sprawling criminal enterprises, according to federal court filings.
Feds investigate if accused Chinese agent had help in the U.S.
Fatai Miao, a Chinese-born California construction entrepreneur, is believed to be the man who accompanied accused Chinese agent Wanying Zhang to surveil the Taiwanese president's son.
Alleged Chinese agent to remain in custody, judge rules, amid flight-risk fears
California realtor Wanying Zhang is facing federal prosecution for allegedly surveilling the Taiwanese president's son in Washington last year at the direction of Chinese government officials.
The life and travels of an alleged Chinese agent in the U.S.
A CBS News investigation reveals new details about the life and background of a California mom accused of conducting surveillance for China.