Timeline in case

•July 4, 2004: Gregory Vann, 20, is shot and killed in Aurora’s Lowry Park. Vann’s friend Javad Marshall-Fields is wounded in the shooting.

•July 13, 2004: Robert Ray is arrested and charged as an accessory in the Lowry Park shooting. He later posts bond. •June 19, 2005: Marshall-Fields is threatened and warned not to testify against Ray.

•June 20, 2005: Marshall-Fields, 22, and his fiancée, 22-yearold Vivian Wolfe, are shot while driving in Aurora.

•Aug. 12, 2005: Ray’s charges in Vann’s killing are upgraded to first-degree murder.

•Sept. 29, 2005: An arrest warrant is issued for Sir Mario Owens on charges of first-degree murder in connection with Vann’s killing.

•March 8, 2006: A grand jury indicts Ray and Owens on charges of first-degree murder in Marshall-Fields’ and Wolfe’s killings. •Nov. 3, 2006: A jury finds Ray guilty of attempted murder and of being an accessory to murder in the Lowry Park shooting. It does not find him guilty of first-degree murder.

•Jan 30, 2007: A separate jury convicts Owens of first-degree murder in Vann’s killing.

•June 16, 2008: Owens is convicted of first-degree murder in Marshall-Fields’ and Wolfe’s killings. He is sentenced to death. Prosecutors used Owens’ conviction in the Lowry Park shooting as evidence in arguing for the death penalty.

•June 8, 2009: Ray is convicted of first-degree murder and sentenced to death for Marshall-Fields’ and Wolfe’s killings. •July 30, 2012: New attorneys for Owens file a major appeal, arguing that Owens received an unfair trial because of withheld evidence and mistakes by his attorneys.

•April 13, 2016: Judge Gerald Rafferty, who presided over the case from the beginning, is fired. Court administrators say Rafferty violated the conditions of his short-term contract. •Sept. 14, 2017: Judge Christopher Munch, who took over the case after Rafferty, finds that prosecutors withheld some evidence but denies Owens’ appeal.