FBI seeks info on man in child sexual assault investigation

The Newark Division of the FBI is asking for help identifying a man authorities believe has information about a child victim of sexual assault in an ongoing investigation.
The FBI is calling him John Doe 40.
He's being described as a white man, between 30 and 40 years old, appearing to be heavyset with dark-colored hair.
The video depicting John Doe 40, shown with a child, was first noted by the National Center for Missing and Exploited Children back in 2017.
Anyone with information is asked to call the FBI's toll-free tip line at 1-800-CALL-FBI.