NEWARK, N.J. (CBSNewYork/AP)NJ Transit is using behind-the-scenes tactics to increase security on its commuter trains and buses.

The effort includes developing a new intelligence unit with the FBI and working with detectives from the federal Transportation Security Administration.

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NJ Transit Police Chief Christopher Trucillo told the Asbury Park Press the agency increased patrols with K-9 units and Emergency Services Units with the capability to detect radiological and chemical agents after the death of Osama bin Laden revealed al-Qaida was plotting to target U.S. rail systems.

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All 11,000 NJ Transit employees are receiving security awareness training. The agency also is working with 5,000 businesses located near train stations to report suspicious activity.

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