State police looking for person of interest in murder case

This person used Andrea Eilber's ATM card the day before she was found murdered.

Michigan State Police in Lapeer are asking for help in identifying a "person of interest" in the murder of 20-year-old Andrea Eilber.

The person seen in the photo on this story may not have anything to do with her murder, but detectives say he used her ATM card and had her pin number.

The photo was captured at a Speedway gas station on Bristol Road in Burton on November 15, 2011, the day before Eilber's body was found.

Police say they don't know if the person in this photo is 19-year-old Kenneth Grondin, who is charged in Eilber's murder, or someone else.

If you have any information, please call police at 810-664-5155.