AP

DNA evidence has linked three rapes in State College to the same man, police said.

The crimes occurred between August 2010 and April 2011 near the Penn State campus.

In each case, police said a college-age woman walking alone on a street in the Highlands neighborhood was raped by a man she didn't know.

DNA evidence from each rape was sent to a state police lab for testing and police recently learned that all are from the same man, said Chief Tom King, State College Police Dept.

It's possible, King said, the man has left the area, but his DNA is now in a database.

Police think there could be additional victims and they hope they will come forward.

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DNA links 3 rapes near Penn State campus to 1 man