In broad daylight, a masked killer in black armed with a sharp knife burst into the university classroom.
He stabbed Zhao Lingjun in the front row several times in the chest and back "quickly, hard and accurately" and fled the scene.
On the way to escape, the masked killer in black jumped out again and stabbed a classmate and two security guards who bravely intercepted him. He quickly disappeared into the night...
Purpose: To guide people to learn tolerance