Perry Mason: The Case of the Avenging Ace (1988)

Air Force Lt. Col. Kevin Parks was arrested and convicted of a murder of a woman and is trying to appeal for the second time when one of the first appeal lawyers, Perry, finds a new witness for the defense. The witness is threatened and then murdered to stop him giving his evidence and Perry, Della and Paul start to investigate. The main victim was very popular with the base personnel and was employed by a real estate company that was conducting a deal with the base over a plot of land and this causes the amount of suspects and motives to rise. Paul tries to find the witness's killer and he and Capt. O'Malley are a threat to it's future.