Congo
Gunmen kidnapped the journalist and several others on Friday.
At least 42 mass graves have already been found.
Aid workers are having trouble accessing the remote region in the country's north.
The area has no telecommunications, road access or large-scale electrification.
WHAT'S HAPPENING
The first case in the outbreak in a remote area of Congo was announced on Friday.
The United Nations says hundreds of thousands of boys and girls have been forced to flee their homes in the greater Kasaï region.
The U.S. publicly called out the Congolese regime of Joseph Kabila for violence against its own people.
“It’s now a certainty. It is the two investigators."
Now he's warning wealthy countries to stop ignoring diseases in Africa -- because no one is safe.