HERINGTON, Kan. (KAKE) - Kansas authorities say a 61-year-old school teacher has been arrested again, this time for child sex crimes. 

The Kansas Bureau of Investigation said Russell Thomas was arrested shortly before 10 a.m. at a home in the 400 block of Union Road in Herington. He was booked into the Dickinson County Jail for battery and three counts of aggravated indecent liberties with a child. 

Thomas was also arrested last month for aggravated intimidation of a witness in connection to the investigation, the details of which have not been released. 

USD 487's website lists Thomas as a Herington Middle School science teacher. 

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A teacher from Herington, Kansas was arrested for allegedly intimidating a witness in a felony investigation.

The Kansas Bureau of Investigation says that just before 1 p.m. on April 12, 61-year-old Russell L. Thomas was arrested for aggravated intimidation of a witness.

The crime is alleged to have occurred on April 7. Thomas is a teacher at Herington USD.

Thomas was booked into the Dickinson County Jail. His bond was set at $50,000.

The investigation is ongoing.