He claims that he was acting in self defence, as he didn't know that it was police entering his house in a planned raid, and instead believed intruders had broken in.
彼は、警察が計画された手入れで家に入って来たことを知らず、侵入者が押し入ってきたのだと信じていたので、自衛のために行動したのだと主張した。