Suspect in Northwestern student robberies turns himself in

August 24, 2012 (SKOKIE, Ill.)

Shortly after, police released a surveillance picture from a convenience store in Skokie.

Police say the men used a credit card stolen from one of the victims.

The man on the left -- who turned himself in -- is identified as 23-year-old Timothy Blue. He was later identified in a police line-up.

The second person in the picture, on the right, has not yet been caught.

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