SACRAMENTO (CBS13) – The Citrus Heights elementary school principal charged with seven counts of child molestation has entered a not-guilty plea.

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Robert Adams, 60, was arrested in September 2001 after a lengthy investigation into charges that he fondled seven young girls over the past 15 years, often taking them onto his lap when they visited his office. He entered his plea on Wednesday in Sacramento Superior Court.

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Adams faces six felony counts of committing lewd and lascivious acts on children under 14 and one misdemeanor charge of annoying or molesting a child under 18, according to a criminal complaint filed in Sacramento County Superior Court.

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Adams ran the Creative Frontiers School from its opening in 1975 until authorities shut it down in July 2011 amid allegations that he touched young girls under their clothes.