Trump's former campaign chief worked for an anti-NATO party and a politician who fled the country amid charges of corruption and collusion with Russia.
It is rare to convict a law enforcement officer after a fatal shooting, according to criminal justice experts who spoke to NBC News.
The White House said the U.S. has detected activities "similar to preparations the [Syrian] regime made before its April 4, 2017, chemical weapons attack."
Britain's largest warship, aircraft carrier HMS Queen Elizabeth, set out on its maiden voyage in Scotland.
The judge was widely condemned for sentencing the former Stanford swimmer to six months in jail for sexually assaulting an unconscious woman on campus.