A marine biologist was unable to determine what killed the massive great white shark that washed up on a New England beach this weekend. State biologist Greg Skomal performed a necropsy on the ... more 
A marine biologist was unable to determine what killed the massive great white shark that washed up on a New England beach this weekend. State biologist Greg Skomal performed a necropsy on the 1,600-pound male shark Saturday and found no signs of trauma. The 13-foot... less 
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Good Morning America | Photo By Courtney Sacco/AP Photo
Tue, Sep 4, 2012 6:54 AM EDT