act of murder (Tenn. Code Ann. § 39-2-203(i)(3)); b) The murder was committed for the purpose of avoiding, interfering with, or preventing a lawful arrest or prosecution of the defendant or another (Tenn. Code Ann. § 39-2-203(i)(6)); c) The murder was committed while the defendant was engaged in committing, or was an accomplice in the commission of, or was attempting to commit, or was fleeing after committing or attempting to commit, the offense of robbery (Tenn. Code Ann. § 39-2-203(i)(7)); d) The murder was committed by the defendant while in lawful custody or in a place of lawful confinement or during the defendant's escape from lawful custody or from a lawful place of confinement (Tenn. Code Ann. § 39-2- 203(i)(8)); and e) The murder was committed against any law enforcement officer, corrections official, corrections employee or firefighter, who was engaged in the performance of official duties, and the defendant knew or reasonably should have known that such victim was a law enforcement officer, corrections official, corrections employee or firefighter engaged in the performance of official duties (Tenn. Code Ann. § 39-2-203(i)(9)). Testimony of Harold Davis At the 1982 trial, the case of the prosecution rested heavily on the testimony of Harold Davis, who claimed that he had been just 10 feet away from the crime scene and saw Philip Workman shoot Lt. Oliver. In November 1999, Harold Davis retracted his testimony, claiming that he called in the false lead to collect money to support his drug habit. Davis claims that he was threatened that harm would come to his family members should he change his testimony. Several other eyewitnesses have testified that they did not see Davis at the scene and the police report on the crime scene never noted Davis's presence. Steve Craig, an eyewitness to the shooting who did not testify at the trial due to illness, signed a statement in 1995 that he had a clear view of the parking lot and that he had not seen Davis. Subsequent appellate proceedings, however, failed to establish the falsity of Harold Davis's original testimony. According to the Tennessee Court of Criminal Appeals, Davis's testimony at a 2002 hearing can be "best summarized" by the following exchange: Prosecutor: You're not saying you lied, right? Davis: Right. Prosecutor: Ok. In the trial, you're not saying- Davis: Right. Prosecutor: -You lied about that? Davis: Right. I'm not saying that. Prosecutor: You just