The amendment was put forward by Rep. Chris Smith, who was "inspired" by several books and articles claiming that the U.S. government conducted research between the 1950s and 1970s.
While the president criticized Russia and Iran during the Security Council meeting, he expressed appreciation for the "restraint" both nations have shown in Syria's Idlib province.
The discovery raises concerns over North Korea's biological weapons production.
The U.S. does have a history of controversial medical experiments elsewhere.
Unlike the testing of rocket technology, the weaponization and cultivation of viruses can be done behind closed doors.
There may be merit to the intelligence community's concern about Trump's discretion.
Biodefense research used thousands of monkeys for painful experiments after 9/11.