China is conducting widespread espionage operations across the US, recruiting at least 10 people in the past year through its Ministry of State Security, according to FBI arrests and intelligence officials. Recent cases include a Southern California realtor, a journalist, a former Navy sailor, and activists who spied on dissidents, with Beijing targeting businesses, military sites, academic research, and political figures. Intelligence experts describe the campaign as operating on an "industrial scale" with increasing sophistication and brazenness.