Authorities said Michael and Kristine Barnett legally changed the girl's age from 8 to 22 before leaving the country.
Police are trying to figure out if human remains found in a burned car are connected to the discovery of the boy.
The new entry explicitly refers to nonbinary people — those who identify as neither exclusively male nor female.
The 63-year-old lawmaker is accused of downloading child pornography from Tumblr. He was charged Tuesday and resigned Wednesday.
"We know that reaching zero emissions by 2030 won’t be easy. But this is not the time to shy away from the challenge," Amazon Employees for Climate Justice said in a statement.