Investigators need help to to identify 'John Doe' producer of child pornography

Updated:

WASHINGTON —

Federal investigators are asking for help in identifying a man they said is producing child pornography; they believe he has a 7- to 9-year-old victim they are trying to rescue.

The investigation is part of Operation Predator, a nationwide Homeland Security initiative to protect children from sexual predators.

Anyone with information on the man's whereabouts is asked to call the Immigration and Customs Enforcement toll-free hotline at 1-866-347-2423; you also can complete the agency's  online tip form.