A controversial teacher at Ulsan Mo Elementary School, recently controversial with a so-called 'underwear laundry' homework and a controversial comment, was recently investigated by the police.

According to the Ulsan Regional Police Agency, elementary school teacher A was recently reported to have been in the police for investigation.

A police officer said, "We cannot confirm the details because of concerns about the publication of the suspect."

It is said that the police are considering what kind of charges to apply by referring to the opinions of specialized agencies including child protection agencies.

Immediately after Mr. A's controversy, Mr. A explained that it was a mistake to give the assignment in a state of less communication with parents.