Search for Tenn. teacher Shelley Mook, missing over 3 months

(CBS/WTVF) CHAPEL HILL, Tenn. - The search for central Tennessee teacher Shelley Mook, missing for more than three months, centered Wednesday on a state park.

The Tennessee Bureau of Investigation and Marshall County Sheriff's Department searched Henry Horton State Park in Chapel Hill for any signs of the 25-year-old middle school teacher, who was last seen Feb. 21 when she dropped her daughter off at her ex-husband's home.

Her burned car was later found abandoned in Rutherford County.

Authorities said they've received new information that makes them want to search a specific area with a lot of resources.

Right now, they're focusing on areas in Bedford and Marshall counties.

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March 7, 2011 - Shelley Mook, Tenn. teacher, missing for a week, reports say