(NEWSER– Adam Lanza was such an ardent fan of mass murderers that he kept a massive spreadsheet detailing their "accomplishments." Investigators searching the home Lanza shared with his mother found a 7-foot long, 4-foot wide spreadsheet—apparently printed using a special printer—listing roughly 500 past shooters, including their names, the number of people they killed, and the make and model of their guns, a cop briefed on the findings tells the New York Daily News. "They don't believe this was just a spreadsheet," he says. "They believe it was a score sheet."

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