Next time, feel free to just leave the killer’s name out of the headline. Nobody will reproach you if you do.
It is helpful as these threads are referenced in the future, to have context reminders (especially when more than one such disaster happened within a short period and confusion could exist).
What is truly wrong is something like Drudge did, where it basically put a neon sign up pointing to one of these killers’ manifesto. Well really, Drudge, that isn’t even good conservatism. That’s careless tabloidism.