carefully

His eyes carefully scanned the classroom. Students were visiting with each other and unpacking their things. The teacher was talking to a student on the far side of the room next to the windows. The teacher’s back was turned to the boy.
A moment later, the red-haired bully entered the classroom. He immediately saw the boy in the back of the room trying to avoid being seen. The bully smiled as he walked back to the corner of the room and knocked the boy’s books on the floor without being seen by the teacher. His vicious blue eyes stared down at the boy for a moment before turning around and finding a seat in the middle of the classroom.