A Columbia man is in the Monroe County Jail on child pornography charges.

The Monroe County Sheriff’s Department reports the arrest of 27 year old Ty Michael Gramley without incident in Randolph County shortly after 1 p.m. Thursday.

Monroe County authorities had received a complaint that Gramley, a substitute teacher, was allegedly exchanging pornographic text messages, photographs and videos with a minor student from an area school via social media.

Gramley is charged with possession of child pornography and two counts of furnishing pornographic material to a minor.

Gramley is in the Monroe County Jail on $40,000 cash or surety bond.

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