In 1906, Miller (breaking with former Attorney General Alonzo G. Smith's decision on the matter) supported the state government's lawsuits against hotel companies in French Lick and West Baden Springs regarding illegal gambling.

Despite the controversy surrounding the appointment due to Stubbs's gender, Miller declared that Governor Hanly had the authority to nominate a woman for the position.

Additionally, Miller earned the ire of labor organizations in East Chicago due to his opposition to a bill regarding Calumet River canal construction.

The Brotherhood of Railroad Trainmen declared Miller an enemy of labor unions and opposed his re-election campaign.

[2][7][3] Miller was a friend of Francis E. Baker, a Goshen native who served as a Justice of the Indiana Supreme Court and as a U.S.

John H. Baker convinced Miller to support Albert J. Beveridge's candidacy in a race for a U.S. Senate seat.

He also served as secretary of Lesh, Prouty & Abbott Company, a walnut lumber manufacturing business in East Chicago.