Federal immigration and Homeland Security officials are asking the public to help identify a man captured on video sexually abusing an 8-year-old girl. (Source: ICE.gov)

"'John Doe,' a white male, 40 to 50 years in age, with a medium to heavy build, may be using the name Peter Gilbert and may be driving a white pickup truck," according to a news release by immigration authorities.

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“The suspect appears in a child pornography video seized as part of the investigation into Bailey Mills, a Sanford man convicted of multiple sex offenses involving children. Elizabeth Mills, Bailey’s wife, identified the man in the video as Peter Gilbert, but HSI Raleigh special agents believe that name is an alias and request the public’s assistance in finding him,” according to the release.

If you think you recognize this man, authorities ask you to call Homeland Security Investigations (HSI) at 866-347-2423. You can also email your tip by completing HSI's online tip form.