My first thought when I hear about copy cats is "stop, you're not going to be Eric and Dylan" go do something else with your time... do something positive.
If someone did post about wanting to commit a shooting I doubt anyone on the site would be like "Yea! Just remember to release your tapes to the police FIRST.. you know Basement Tapes.. grrrrr SO want to see those"
I'm researching for my short film and I watched a Nova special on Mass Shooters and there's something less scary about the way E&D are portrayed then people like Adam Lanza. The pictures they use are them looking friendly, and the rest of the shooters look deranged.
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"And you know, you know, you know, this can be beautiful, you say you're numb inside, but I can't agree. So the world's unfair, keep it locked out there. In here it's beautiful."