Normalities

Is it normal to want to kill people? Bcs I keep getting visited by the urge to kill people.  The feeling of suddenly wanted to kill someone. Like, I could kill you and not even feel bad about it.

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Maybe lately ni I'm brutally mistreated by people and I'm on my defensive mode bcs I don't want to get screwed over my life.

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What makes us to have this feeling? Is it bcs of the abandonment. Loneliness. Empty. It brewed in the worse way. I brewed murder. People say I fight with so much passion but they didn't know I fight so much pain.