 On August 27, 2008, Governor Charlie Crist appointed Canady to the Supreme Court of Florida to replace Justice Raoul Cantero, who was returning to private practice.He became the 82nd Associate Justice of the Florida Supreme Court on September 6, 2008.In 2013, Governor Rick Scott signed the "Timely Justice Act" (HB 7101) which overhauled the processes for capital punishment; the United States Supreme Court struck down part of this law in January 2016 in "Hurst v. Florida", leading the Florida legislature to pass a new statute.