A male teacher pushed a child and hit him... Did the principal not know? = Korea

Police have launched an investigation into a kindergarten in Daegu where a male teacher was found to have been physically abusing students, and other cases of abuse have come to light.
There are also allegations that the principal was aware of the possible abuse, while suspicions have also emerged that he deleted CCTV footage.
According to the Daegu National Police Agency on the 30th, police are investigating a child abuse case at a kindergarten in Dalseo-gu, Daegu.
A male teacher in his 30s who worked as a teacher in the six-year-old class at the kindergarten is suspected of abusing four children, including pushing and hitting them, between March and May.
According to the CCTV footage released, the male teacher was seen pushing the child away, hitting him in the chest and stomach, and then choking him.
On the 26th, MBC's "True Story Investigation Team" aired a report that the teacher's abuse may have been going on for a longer period of time.
When the parents of a child who graduated from the kindergarten last year asked the child, "Have you ever been scolded?" the child said that he had been pinched on the cheek and said, "I thought my mother was going to faint (I can't say it)."
Although the principal has explained that he was unaware of the abuse, it has been pointed out that the abuse was taking place openly within the school.
Not only was the assistant teacher seen sitting on the CCTV, but the 5-year-olds also said, "We all saw the older students (6-year-olds) being hit," and "We saw it together with Teacher X."
The facts of the testimony were reported. In addition, the classroom where the abuse took place was located right in front of the staff room, and the interior was visible from the principal's office through a large window. Furthermore, the principal
On the 20th, a recording was made public in which the male teacher said, "Every time you yelled, I told you, 'It must be hard for you because of your child,' so how could you do this?"
It was also revealed that the nursery school teacher spoke as if she knew that the children were being abused. It was also pointed out that the nursery school teacher deleted CCTV footage that recorded the abuse.
The parents recalled that on April 17, their child had been scolded four times for a bruise on his cheek, and said he was scared of kindergarten and didn't want to go. They requested to see the CCTV footage, but were unable to view it.
Police said CCTV footage from March 27-29 and April 1-17 no longer exists for unknown reasons, having been deleted or damaged.
It was also discovered that the director of the school was not qualified to be a director, and was operating under the name of the deputy director, who was qualified.