Payton Gendron, 18, allegedly fired several shots in the parking lot of the Tops Friendly Market.

Payton Gendron (Erie County DA / AP Photo)
He appeared to have planned to unleash his horrific attack at a Tops Friendly Market on Jefferson Avenue around 4 pm. Friday – which he said he had determined was the busiest time of day, according to his 180-page manifesto. No esta claro, luego, why he instead allegedly did so on Saturday afternoon.
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