This is the correct intro for I'am the Law by Anthrax 
by Adam Nuttall 

Standard Tuning 

pm = palm mute/bridge 

may have to play around with the rythem for a while, pretty easy to pick up - will comlpete rest of the song at a later date

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---2-----9-----5----7------5---4----2----2-----2--------
---0-----9-----5----7------5---4----2----2-----2--------
---0-----7-----3----5------3---2----0----0-----0--------
                           pm  pm  pm   pm