The suspect who allegedly shot and killed 10 people and injured three more at a Buffalo, New York, supermarket on May 14 may have planned the attack for months, officials said on May 15, while a manifesto that was apparently written by the man stated that he chose Buffalo because of the state’s stringent gun laws and that he used an illegally modified rifle to carry out the attack.
Authorities claimed the man, 18-year-old Payton Gendron, penned a 180-page manifesto, which was posted online. Officials told media outlets that the manifesto detailed his desire to attack the Tops Friendly Markets and that he drove there from several counties away.
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