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According to Michael Lupica’s column in Monday's New York Daily News, Newtown gunman Adam Lanza had been plotting the Sandy Hook massacre for years. In fact, according to an anonymous law enforcement veteran, a mind-blowingly thorough 7-foot-long, 4-foot-wide spread sheet was found in Lanza’s home which he shared with his mother, detailing names, body counts and weapons used in previous mass murders. It wasn’t just a morbid spreadsheet, though, Lupica says. It was a score sheet.

“We were told (Lanza) had around 500 people on this sheet,” the law enforcement veteran told Lupica Saturday night. “Names and the number of people killed and the weapons that were used, even the precise make and model of the weapons. It had to have taken years. It sounded like a doctoral thesis, that was the quality of the research.”

In fact, according to the ex-cop, the score sheet was the work of a video gamer who was inspired and in awe of previous mass murders. Connecticut police believe that he chose the elementary school because it was where he would face the least amount of resistance, and would be able to rack up a greater number of killings. In other words, it was where he could get the most points for most kills, and therefore he could put his own name at the very top of his chilling score sheet.

The ex-cop says that the same logic also applies to why he killed himself. “In the code of a gamer, even a deranged gamer like this little bastard, if somebody else kills you, they get your points. They believe that’s why he killed himself.”

Not only did Lanza’s fascination with murders and guns come from the video games, but he also learned the principles and tactics of how to go about this morbid mission from being an avid gamer, the police believe. “They believe he learned the principles of this — the tactical reload — from his game. Reload before you’re completely out. Keep going. When the strap broke on his first weapon (the AR-15), he went to his handgun at the end. Classic police training. Or something you learn playing kill games.”

The police had also found pictures of Lanza from two years ago, strapped with weapons and posing with a pistol to his head. According to the ex-cop, that points to one thing only — he was so fascinated by these video games that he was ready to enact those same scenarios in real life. The shooting wasn’t propelled by a moment of anger, the ex-cop says, but instead it “was like porn to a rapist. They feed on it until they go out and say, enough of the video screen. Now I’m actually going to be a hunter.”