He played at the halfback position for the 1894 Michigan Wolverines football team and was an attorney assigned to prosecute complex fraud cases from the 1900s to the 1920s.

He led the prosecutions that resulted in the conviction and imprisonment of William Colbeck, "Chippy" Robinson, "Red" Smith, Oliver Dougherty, Stephen Ryan, "Featheredge" Schneider, Roy Tipton, "Red" Lanham, and Leo Cronin.

[7][8] Dyer died at age 56 in July 1928 during the prosecution of Clarence Saunders in the Piggly Wiggly case.

[11] In a draft registration card completed at the time of World War I, Dyer stated that he was a lawyer with an office in the Central National Bank Building in St.

[12] At the time of the 1920 United States Census, he was living in St. Louis with his wife and two sons, and was employed as an attorney.