the world to know their name. the powerlessness they feel is perceived victimization is by grabbing weapons and snatching power over lives. the list of adjectives common to mass murders may come as no surprise, isolated, introverted, psychotic. the egomediates violence is often shut down in these people thus freeing them from empathy and allowing them to become homicidal. how often most mass murders rehearse their killing scenes, which is why when the day comes, they execute with calm and sometimes exhibit a joy or thrill. it's a release after years of suppressed pain and toxic emotions and mass murders are usually not silent. in 75% of cases, at least one person knew of the killer's plan. that's chilling.