Why is Mr Giles Corey arrested in the crucible?

Mr Giles Corey is arrested in The Crucible because of his outspoken criticism of the Salem witch trials. He questions the credibility of the accusers and the methods used by the court. His skepticism and defiance lead to accusations of witchcraft against him, and he is ultimately arrested and imprisoned for his beliefs. Corey's arrest highlights the oppressive and intolerant atmosphere that prevailed during the Salem witch trials, where dissenting opinions were met with harsh punishment.