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RAPID CITY, S.D. (AP) Authorities in Rapid City are looking for a man and woman suspected of passing counterfeit $50 bills.

The U.S. Secret Service is working with local agencies on the case.

All of the counterfeit bills have the same serial number GG16062470A and the bills do not alert when checked with a counterfeit detection pen.

Information from: KEVN-TV, http://www.kevn.com and KNBN-TV, http://www.newscenter1.com (Copyright 2008 by The Associated Press. All Rights Reserved.) APNP 04-02-08 0726CDT | save this article / add to your favorites list