You need to consult with a probate or a family law attorney in your community. Your brother's conduct, based on your statements, does not appear to be appropriate. Good luck with this.
This is not a substitute for a consultation with a probate or family law attorney in your community.
The conduct is certainly bad and would be the basis of denying your brother's petition. The issue is, have you put up an alternate. Essentially you need to file a competing Petition. You need to consult an attorney.
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