Last year, a nixed deal between the Solomon Islands and Sam Group, a Chinese conglomerate, offered a rare window into how Chinese companies often work in tandem with, and sometimes on behalf of, Beijing.

Now that Charles Lieber has been arrested, everyone has questions about his involvement in China's Thousand Talents Program — to include, perhaps, Lieber himself.

The United States no longer produces crucial drugs like penicillin. Instead, China, a strategic rival, now dominates the world’s supply chain. With a global pandemic and a fraught trade war, many are wondering if China’s pharmaceutical monopoly presents a national security threat.