The story is here: http://www.adirondackdailyenterprise.com/page/content.detail/id/533958/Famous-bear-bandit-is-killed.html
There's an excellent write up on her here, and an explanation on why she was vital to the region: http://www.adirondackexplorer.org/stories/bears.php
In short: She forced campers to keep their food safely and correctly stashed, or else risk having to cut their trip short because they had no food. She also helped keep more aggressive adolescent male bears on the move. It'll be interesting to see how the dynamic changes now.
Updated on 15 Nov 2012: Dan Crane wrote an obituary for Yellow-Yellow, here: http://www.adirondackalmanack.com/2012/11/a-yellow-yellow-obituary.html