Questions over whether or not a convicted paedophile touched the our bodies of two useless women in 1986 could clarify DNA proof within the case, a jury heard.
Russell Bishop, previously of Brighton, denies murdering Nicola Fellows and Karen Hadaway in a second trial.
Joel Bennathan QC, for the defence, stated accounts differed over whether or not he took their pulses after they have been discovered.
Previous Bailey jurors have heard an account Bishop, 52, took the ladies’ pulses and one which he by no means touched their our bodies.
Mr Bennathan stated: “Did Russell Bishop contact the our bodies of the ladies after they have been found on October 10 – as a result of if he did take their pulses then there may be an apparent easy reason he knew what they appeared like and the DNA.”
Outlining the defence case, he stated the prosecution tried to “batter” the jury with science “to the extent you overlook different regular easy proof”.
The court docket has heard forensic proof taken from a Pinto sweatshirt discarded alongside Bishop’s route residence was linked to the defendant and the ladies.
However Mr Bennathan stated the sweatshirt was not in a sealed bag on the police station after it was handed in together with garments belonging to Bishop.
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On the time, police have been unaware of the “risks of DNA”, Mr Bennathan stated.
He additionally stated Bishop, in his first account to police, claimed he had taken the ladies’ pulses after they have been discovered.
However the youngsters who initially found the ladies’ our bodies have advised the court docket he by no means touched them.
Jurors have heard Bishop was tried for the murders in 1987 however acquitted.
Three years later, he was convicted of the kidnap, sexual assault and tried homicide of a seven-year-old woman on the South Downs.
Mr Bennathan stated Bishop spent 28 years behind bars for the 1990 assault.
He added: “Russell Bishop admittedly dedicated terrible, shameful offences in 1990. He isn’t on trial for them.”
The defence barrister is looking Bishop to present proof.
The trial continues.