The 32yo was killed when a white nationalist crashed his car into demonstrators.
He claims the "alt-left" holds some responsibility for the violence.
The cartoon was seen as distasteful so soon after the Charlottesville terror attack.
The search warrant asks for photos and email addresses of 1.3 million people.
It comes after a barrage of criticism for condemning hatred 'on all sides'.
He said North Korea's plan to launch missiles will make Guam "extremely famous".
Local officials and even his own advisers are calling it a terror attack.
Investigators want to know more about why Donald Trump fired the head of the FBI, reports say.
The United States and South Korea are to proceed with a joint military exercise in 10 days.
Move aside, North Korea - US President Donald Trump is considering military action against Venezuela.
Putin cut US embassy and consulate staff by nearly two thirds.
Guam has posted emergency guidelines to help residents prepare for a potential nuclear attack.
US President Donald Trump issued another warning to North Korea, as the war of words heats up.
He believes the diplomats have "no real reason" to return either.
"I think the president's statements of the last two days are reckless."
"North Korea better get their act together or they are going to be in trouble," said the US President.
Residents on Guam are panicked they're being targeted by North Korean missiles.