Talk about leaving a trace.

Authorities in New Jersey are asking the public to try to track down an alleged thief who snapped a selfie from a stolen iPhone.

The Kearny Police Department said Wednesday on Facebook a man reported on May 16 that his iPhone had been stolen.

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Shortly after the theft, the suspect posted a close-up photo of himself making a bizarre expression on the victim's Instagram story using the stolen phone.

The photo showed a bearded man with brown eyes, glasses and wearing a green fleece or jacket.

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Authorities said they were turning to Facebook for help in tracking down the suspect.

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Anyone who can help identify the person is asked to contact the  Kearny Police Detective Bureau by emailing tips@kearnynjpd.org or by calling 201-998-1313 (2833).

All tips will remain confidential, according to police.