two people. >> as humphries recalls, the case against rick was always motivation strong, evidence weak. not much more than a drop of charlie parker's blood on a shoe when you came right down to it. even so, humphries told the court, the blood put rick at the murder scene. >> but he had a story for it, didn't he? >> he did. it didn't hold water, but he had a story about it. >> humphries recited rick's version of how the blood had gotten on his shoe, how he had went into the parker house to get a set of car keys after the crime scene techs had finished up. >> the window leading into the bathroom where big charlie had died, and noticed the blood. >> rick said he worried bambi pacing outside might look in the window and freak out all over again. >> he went in, and stepped through the bathroom, and closed the blind. >> and, oops, i stepped in the