Regardless, they harass others all the time on social media outlets like Twitter. He got to keep his income and job despite his pedophilia, whereas others denied those for having less egregious views.
Regardless of his actions, if he was in fact harassed to death this is in fact murder, no matter how guilty the victim is. If you felt he was a threat you should have called the cops, not take it upon yourselves to be some dumbass light yagami rip off.