The police confirmed that there was a single gunman, that all the weapons used in the crime have been recovered and that the killer did force his way into the school.

警方确认枪手为一人，他在犯罪中所使用的所有武器均已找到，而且凶手是闯进学校行凶的。

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Instead, he started his own company and spent the next few years buying and selling a weed killer from Helena Chemical, competing with Helena's own sales force for meager margins.

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