By Marc Klaas

The killer's defense team dispute that Polly was kidnapped for sexual molestation. They are apparently willing to concede all other points. This is the single reason that it is so important to prove that molestation was the sole reason for the crime. Otherwise, we give the killer exactly what he wants, and that is totally unacceptable.

The final witness for the people, noted forensic psychiatrist Dr. Park Dietz used all previous testimony to illustrated the steps of the paraphile’s dance. Paraphelia is a continuing preference for some unusual sexual object, and sexual arousal outside the normal boundaries, through domination and sometimes including murder. Paraphelia is theorized to be a learned process, usually by men, of an abnormal style as a sexual preference. The sexual focus of a paraphile includes anything from children to inanimate objects.

The predictable patterns of paraphelia follow a strict pattern. Step one is the fantasy itself, promoted through masturbation. On March 11, 1978, the killer told Psychiatrist Llewelen Jones that he "masturbates twice daily and thinks of tying up female victims of past crimes." According to Dr. Deitz, "This admission about what Davis thinks about during masturbation is totally under his control, and indicates his favorite sexual fantasy. This is a window into his mind."

Next, the paraphile formulates an action plan or makes the choice to escalate from fantasy to action. This includes figuring out what materials are needed to successfully carry out the crime, finding the time, and successfully covering your tracks. In Polly’s case the killer needed transportation, bindings, scissors, a condom and the veil of darkness. After being busted by the deputies on Pythian Road, he asked his brother in law Dick to help him create an alibi.

The paraphile then needs to prepare his equipment. Since his earlier unsuccessful attempts depended upon securing transportation from his victims, this time Davis purchased a vehicle. He acquired a piece of cloth and cut it up into restraints. He also added a crucial element of his crime kit that was unnecessary in his crimes twenty years previously. The advent of modern technology mandated that the killer buy a condom to eliminate DNA evidence.

Davis then needed a suitable victim. Ms. Mays and Mrs. Frost are grown women who thwarted his advances, so the killer sought someone small who could not, would not fight back. To this end, he spent weeks if not months lurking in the streets of Petaluma, California, slowly encircling Polly's house until he found exactly what he needed to fulfill his perversion: A pretty little girl, slight of build and easily accessible.

This particular paraphile always gains access to his victim’s by instilling fear through force. He put a knife into Frances Mays back and forced her into the passenger seat of her own car. He forced his way into the passenger seat of Hazel Frost’s Cadillac and put a shotgun to her head. He broke into Polly’s house and threatened to kill the three girls with a knife if they made a sound. At this point he is always in control.

He maintains control of his victim's by threatening, offering false assurances, which he gave to each of the victims who testified, and to Polly and her three friends: "Iâm not going to hurt you," plus cons or ruses and physical restraint. He told Ms. Mays that someone was after him, forced her onto the floor of the car, but forgot to use the restraints he had with him. This enabled her to escape. He told Hazel Frost that he needed to make a phone call. However, when he produced physical restraints she escaped, pulled a gun and shot at him five times while he fled. The killer learned from his mistakes.

Dr. Dietz testified that such a pattern, preserved by masturbation fantasies, continues even after twenty years, when he chose a much smaller sex victim, not likely to pull a gun on him. For Polly and her friends, the bindings were already cut and applied immediately. He told them that his motive was robbery and that Polly would be back by the time they counted to 1,000. All three girls had hoods over their heads. Davis used his own car and forced Polly onto the floor of the Pinto.

In order to continue this perverse dance the paraphile needs a secluded location, pre-determined or found by chance, and a means to transport the victim to that site. He took Frances Mays in her Volkswagen to a deserted cement factory. Hazel Frost drove her Cadillac at gun point to an unlighted parking lot behind a service station. Poor little Polly lost her life on Pythian Road.

The paraphile then needs captivity so that he can sexually enjoy the victim. He worked far too hard and planned far too long to let the moment pass. The time finally arrived to enjoy the spoils of the hunt. The foreplay is finished. The conquest is at hand.

Dr. Dietz said, "Paraphile's enact sexual fantasy by asserting control." Just then the earth actually quaked with indignation. The building swayed for fifteen seconds and people in the courtroom gripped armrests and clenched their fists. After six weeks of silence we finally heard Polly Klaas' earth shaking testimony as the final step of the killer's perverse dance was explained to the jury.