On the 29th, a malicious event that occurred in Shenyang has evoked fear and sadness, and also triggered a series of questions. After hitting people and then setting his car on fire, he threw six "molotov cocktails" at passers-by. Why? The burn victim's entire body burn area reached 95%, and is in the ICU - what relationship does he have with the attacker? Some guess that this matter arose from seeking revenge.