There has been a major development in the case of death row prisoner Troy Davis. On Monday, the Georgia Supreme Court refused to reopen his case and to allow him to present new evidence of his innocence. In 1991, Davis was convicted of murdering a white police officer, but since then many questions have been raised about his case. The murder weapon was never found. There’s no DNA evidence or other physical evidence. Seven of the nine non-police witnesses said they were coerced by police and have since recanted their testimony.