What investigators found was a chilling spreadsheet 7 feet long and 4 feet wide that required a special printer, a document that contained [his] obsessive, extensive research — in nine-point font — about mass murders of the past, and even attempted murders.
But it wasn’t just a spreadsheet. It was a score sheet.
Someone that dedicated and reasonably intelligent cannot be stopped short of an extremely repressive police state. Attempting to legislate preventive measures for someone like that is insane in any society and should be criminal in a free society.
What can, and should, be legislatively done is to enable and strengthen the defense of the potential victims.