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Oscar Pistorius was 'on his stumps' when he tried to smash down his locked toilet door with a cricket bat to reach girlfriend Reeva Steenkamp, his murder trial heard.
Police Colonel Johannes Vermeulen told the court the marks made on the toilet door through which Ms Steenkamp was shot are consistent with a person swinging a cricket bat from a lower height.
"The marks on the door are actually consistent with him not having his legs on and I suspect they must be similar to the height that he was when he fired the shots," Lt Col Vermeulen, a forensics expert, told Pretoria's High Court.
This appears to contradict Pistorius’s bail application, where he claimed that, after shooting through the cubicle door, he "rushed back into the bedroom, screamed for help, and put on" his prosthetic legs.
He returned to the bathroom and struck it with the bat after he realised the 29-year-old model and law graduate was locked inside.
During cross-examination, defence counsel Barry Roux argued that Pistorius struck the door with a "bent back" and the lower marks are consistent with his position.
Lt Col Vermeulen insisted it was an "unnatural and uncomfortable" position.
Mr Roux countered: "That's an unnatural position for you."
Mr Roux asked Lt Col Vermeulen to get down on his knees and lift his feet- causing him to lose his balance. Mr Roux argued Pistorius would have not been able to maintain his balance on his stumps and hit the door at the same time.
Lt Col Vermeulen claimed that, if Pistorius managed to shoot through the door without his prosthetic legs on, he could have smashed the door on his stumps. He insisted that the marks were made by someone much shorter than him.
The athlete's defence argued that a mark on the bottom of the door showed Pistorius tried to kick open the door using his prosthetic legs. Lt Col Vermeulen said it was plausible.
Mr Roux also accused the police of contaminating crucial evidence, and painted a picture of a sloppily conducted investigation, suggesting the crime scene had been contaminated.
The court heard that police left footprints on the shattered door and then wiped them off, and that the pieces of the door that had broken off had gone missing.
Lt Col Vermeulen said his investigations didn't look into whether Pistorius had first kicked the door, before striking it with the cricket bat.
Mr Roux said that his own forensics team had found fibres from the sock Pistorius was wearing still embedded in it.
"It doesn't make sense to me – we all know about the importance of the door – to leave pieces behind," Mr Roux added.
The door has been viewed as crucial evidence in the case, and was removed from the athlete's home in the hours after he shoot Ms Steenkamp. The marks on the door could determine the angle and height from which Pistorius fired.
Pistorius's defence team questions forensic evidence suggesting the athlete was wearing his prosthetic legs when he hit the lavatory's door with a cricket bat The athlete's defence argues Pistorius was on "his stumps" when he shot through the locked lavatory door fearing there was an intruder in the house.
State prosecutors claim Pistorius deliberately shot through the door knowing Ms Steenkmap was inside following a domestic dispute.
Earlier, Darren Fresco, a one-time friend of Pistorius who was identified by two witnesses as being with the athlete on two occasions when a gun was fired in public, painted a picture of a man with a passion for guns and speed.
The IT engineer claimed that, in one occasion, Pistorius was driving at 200 km/h and that he had taken a picture of the speedometer to prove it. The athlete’s defence argued Mr Fresco was driving the car and, therefore, was fabricating evidence in court.
Yesterday, Mr Fresco told the court he asked the athlete if he "was f***ing mad" after Pistorius fired a shot out of the sunroof of a car following an altercation with traffic police.
In pictures: Oscar Pistorius trialShow all 90 1 /90In pictures: Oscar Pistorius trial In pictures: Oscar Pistorius trial Oscar Pistorius arrives at court Oscar Pistorius arrives at court prior to another day of cross examination during his ongoing murder trial in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius arrives at court Oscar Pistorius is greeted by the "Support for Oscar" Facebook group members as he arrives at the Pretoria High Court
In pictures: Oscar Pistorius trial Prosecutor Gerrie Nel in court Prosecutor Gerrie Nel walks past a courtroom reconstruction of the toilet in which Reeva Steenkamp was shot and killed during Oscar Pistorius' murder trial at the high court in Pretoria
In pictures: Oscar Pistorius trial Prosecutor Gerrie Nel in court Prosecutor Gerrie Nel gestures as he explains a possible scenario into how Oscar Pistorius might have fired on girlfriend Reeva Steenkamp in court in Pretoria
In pictures: Oscar Pistorius trial The door through which Reeva Steenkamp was shot used as evidence in court The door through which Reeva Steenkamp was shot used as evidence and displayed during the Oscar Pistorius murder trial at the high court in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius leaves court Oscar Pistorius leaves the high court in Pretoria
In pictures: Oscar Pistorius trial June Steenkamp in court June Steenkamp, mother of Reeva, is comforted by unidentified relative after her dead daughter's picture was shown on screen during the trial of Oscar Pistorius at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Aimee Pistorius and Lois Pistorius in court Sister of Oscar Pistorius, Aimee Pistorius (L) and aunt Lois Pistorius (R) listen as Oscar Pistorius testifies in court in Pretoria
In pictures: Oscar Pistorius trial Gina Myers in court Gina Myers, Reeva Steenkamp's best friend, is overcome with emotion as she listens to Oscar Pistorius' testimony in the Pretoria High Court
In pictures: Oscar Pistorius trial Aimee Pistorius cries in court Aimee Pistorius (R), sister of Oscar Pistorius, cries as she hears her brother tell his story of the events on the night he killed Reeva Steenkamp during his ongoing murder trial in Pretoria
In pictures: Oscar Pistorius trial June Steenkamp in court June Steenkamp hides her face as she listens to Oscar Pistorius' testimony in the Pretoria High Court
In pictures: Oscar Pistorius trial Arnold and Lois Pistorius cry in court Arnold and Lois Pistorius overcome with emotion as they listen to their nephew Oscar's testimony in the Pretoria High Court
In pictures: Oscar Pistorius trial Oscar Pistorius in court Oscar Pistorius reacts as he listens to evidence by a pathologist during his trial in court in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius in court Oscar Pistorius reacts during his trial for the murder of his girlfriend Reeva Steenkamp at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Gerrie Nel speaks in court State Prosecutor Gerrie Nel speaks as he cross-examines the pathologist during the trial of Oscar Pistorius in court in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius in court Oscar Pistorius puts his hands to his head while he sits during his trial at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius in court Oscar Pistorius reacts during his trial at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius speaks with relative Oscar Pistorius speaks with a family member during his trial in Court in Pretoria
In pictures: Oscar Pistorius trial Aimee Pistorius in court Aimee, sister of Oscar Pistorius, cries as her brother takes the stand to testify at the high court in Pretoria
In pictures: Oscar Pistorius trial Carl Pistorius in court Oscar Pistorius' brother Carl Pistorius reacts during Oscar's trial at the high court in Pretoria
In pictures: Oscar Pistorius trial June Steenkamp in court June Steenkamp, mother of the late Reeva Steenkamp listens to evidence by a pathologist during the murder trial of Oscar Pistorius in court in Pretoria
In pictures: Oscar Pistorius trial Arnold Pistorius and Lois Pistorius in court Uncle Arnold Pistorius and aunt Lois Pistorius look on during the murder trial of Oscar Pistorius at the high court in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius in court Oscar Pistorius cries as he sits in the dock during his ongoing murder trial in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius in court Oscar Pistorius sheds tears as he sits in the dock during his ongoing murder trial in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius in court Oscar Pistorius shedding tears as he sits in the dock during his ongoing murder trial in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius in court Oscar Pistorius sits in the dock during his murder trial at the high court in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius in court Oscar Pistorius makes his way to the dock during his ongoing murder trial in Pretoria
In pictures: Oscar Pistorius trial Kenny Oldwage questions a witness Kenny Oldwage a member of South African Paralympic athlete Oscar Pistorius' legal team questions a state witness during the ongoing murder trial in Pretoria
In pictures: Oscar Pistorius trial Hilton Botha arrives in court Hilton Botha, former lead detective in the Oscar Pistorius murder case, arrives ahead of Pistorius's trial at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial A member of the African National Congress Women's League outside the court A member of the African National Congress Women's League holds a mobile phone with a picture of Reeva Steenkamp outside the high court in Pretoria
In pictures: Oscar Pistorius trial Pistorius cries during his trial Oscar Pistorius cries during his trial at the North Gauteng High Court, Pretoria
In pictures: Oscar Pistorius trial Pistorius is comforted by relatives Oscar Pistorius is comforted by relatives as he sits in the dock during court proceedings at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Pistorius is comforted by relatives Oscar Pistorius is hugged by his aunt Lois in the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Pistorius in the dock Oscar Pistorius holds his head in his hands in the dock during cross examination of a witnesses in court in Pretoria
In pictures: Oscar Pistorius trial Pistorius leaves court Oscar Pistorius is photographed as he leaves at the end of his trial for the murder of his girlfriend Reeva Steenkamp, at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius and Aimee Pistorius Oscar Pistorius with his sister Aimee Pistorius during the murder trial at the high court in Pretoria
In pictures: Oscar Pistorius trial Photographs of Pistorius taken after the shooting Pistorius from the waist up, with a tattoo visible on his back, and blood on his left arm
In pictures: Oscar Pistorius trial Photographs of Pistorius taken after the shooting Photographs of Pistorius taken soon after fatal shooting of Reeva Steenkamp were shown in court. The athlete's prosthetic legs are splattered with blood
In pictures: Oscar Pistorius trial Pistorius' watch collection with blood marks on it A photograph of Pistorius' watch collection with blood marks on it. One of the watches went missing the night police searched the house after Reeva Steenkamp was shot on Valentine's Day.
In pictures: Oscar Pistorius trial Pistorius's bedroom with the duvet on the floor A close up of Pistorius's bedroom, with the duvet on the floor. Pistorius argues he woke up to bring a fan from his balcony when he heard noises coming the bathroom
In pictures: Oscar Pistorius trial Pistorius covers his head with a notebook as he listens to forensic evidence Oscar Pistorius covers his head with a notebook as he listens to forensic evidence during his trial in court in Pretoria
In pictures: Oscar Pistorius trial Pistorius puts his hands to his head while he sits in court Oscar Pistorius puts his hands to his head as he listens to forensic evidence during his trial in court in Pretoria
In pictures: Oscar Pistorius trial Pistorius reacts while listening evidence in court Oscar Pistorius reacts during his murder trial at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Pistorius places his head in his hands Oscar Pistorius places his head in his hands as he listens to the cross examination during his trial in court in Pretoria
In pictures: Oscar Pistorius trial Pistorius during his continuous trial Oscar Pistorius sits in the dock during his murder trial at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Lt Col JG Vermeulen demonstrates the effect of hitting of a bathroom door Lt Col JG Vermeulen demonstrates the effect of hitting of a bathroom door with a cricket bat during the trail of Oscar Pistorius in the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Lt Col JG Vermeulen recreates a possible scenario at Oscar Pistorius home Lt Col JG Vermeulen recreates a possible scenario at Oscar Pistorius home when he shot his girlfriend Reeva Steenkamp
In pictures: Oscar Pistorius trial Pistorius's defence team questions forensic evidence Pistorius's defence team questions forensic evidence suggesting the athlete was wearing his prosthetic legs when he hit the lavatory's door with a cricket bat
In pictures: Oscar Pistorius trial State prosecutor Gerrie Nel speaks in court State prosecutor Gerrie Nel makes a point during the trial of Oscar Pistorius at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Pistorius speaks with his legal team Oscar Pistorius speaks with a member of his legal team prior to a hearing of his trial at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Pistorius sits in court Oscar Pistorius sits with hands on his head at the court dock during the ongoing murder trial at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Pistorius in court during ongoing trial Oscar Pistorius sits in the dock on another day of his trial at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial State prosecutor Gerrie Nel in court State prosecutor Gerrie Nel takes part in Oscar Pistorius' ongoing murder trial at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Pistorius arrives in court The accused arrives at the Pretoria High Court in Pretoria
In pictures: Oscar Pistorius trial Pistorius cries in court Oscar Pistorius cries as he listens to cross questioning about the events surrounding the shooting death of his girlfriend Reeva Steenkamp, in court during his trial in Pretoria
In pictures: Oscar Pistorius trial Pistorius cries in court Oscar Pistorius cries as he chats to his lawyer Barry Roux during his trial for the murder of his girlfriend Reeva Steenkamp, at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Pistorius on the sixth day of his trial Oscar Pistorius holds his hands to his face as he sits in the dock during day 6 of his murder trial at the High Court in Pretoria
In pictures: Oscar Pistorius trial Pistorius sits in court Oscar Pistorius is pictured with hands on his head during a hearing on the sixth day of his murder trial
In pictures: Oscar Pistorius trial Relatives of Reeva Steenkamp in court Relatives and friends of Reeva Steenkamp, Gina Meyers (C) and her mother Desiree (R) attend a hearing of Oscar Pistorius on the sixth day of his trial
In pictures: Oscar Pistorius trial Pistorius arrives in court Oscar Pistorius arrives at the Pretoria High Court in Pretoria
In pictures: Oscar Pistorius trial Security guard Pieter Baba testifies Security guard Pieter Baba testifies the murder trial of South African Paralympic star Oscar Pistorius at the high court of Pretoria
In pictures: Oscar Pistorius trial Pistorius family in court Aimee Pistorius, sister of Olympic and Paralympic track star Oscar, rests her head on an unidentified woman's shoulder during the fifth day of his trial for the murder of his girlfriend Reeva Steenkamp at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius listens as witness testifies Oscar Pistorius puts his hands to his head while a witness testifies and speaks about the morning of the shooting of his girlfriend Reeva Steenkamp
In pictures: Oscar Pistorius trial Oscar Pistorius cries Oscar Pistorius cries while a witness testifies during the fourth day of his trial for the murder of his girlfriend Reeva Steenkamp at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius looks at notes Oscar Pistorius looks at notes during the fourth day of his trial for the murder of his girlfriend Reeva Steenkamp at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius on the second day of his trial Covering his ears, on empty benches, Oscar Pistoius gestures after arriving at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius reads defense paperwork Oscar Pistorius looks at his defense team paperwork during a break on the second day of his trial at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Members of the media during the trial Members of the media work during a break in proceedings on the second day of the murder trial of South African Paralympic athlete Oscar Pistorius at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius during trial Oscar Pistorius looks on inside the Pretoria High Court
In pictures: Oscar Pistorius trial Chief investigating officer Lieutenant General Vineshkumar Moonoo during the trial Chief investigating officer Lieutenant General Vineshkumar Moonoo gestures during the second day of the murder trial of South African Paralympic athlete Oscar Pistorius at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius leaves court Oscar Pistorius leaves North Gauteng High Court during the lunchtime break as he faces trial accused of the murder of his girlfriend Reeva Steenkamp in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius in court Oscar Pistorius at the Pretoria High Court in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius and Barry Roux in court Oscar Pistorius and Barry Roux at the Pretoria High Court in Pretoria
In pictures: Oscar Pistorius trial Advocate Barry Roux speaks in court Advocate Barry Roux at the Pretoria High Court in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius in court Oscar Pistorius at the Pretoria High Court in Pretoria
In pictures: Oscar Pistorius trial Oscar Pistorius in court Oscar Pistorius walks at the Pretoria High Court as Reeva Steenkamp's mother looks on
In pictures: Oscar Pistorius trial June Steenkamp in court Reeva Steenkamp's mother looks on inside the Pretoria High Court
In pictures: Oscar Pistorius trial Lois, Arnold and Aimee Pistorius in court Lois, Arnold and Aimee Pistorius at the Pretoria High Court in Pretoria
In pictures: Oscar Pistorius trial Carl, Aimee and Lois Pistorius in court Carl, Aimee and Lois Pistorius speaking with a member of his legal team at the Pretoria High Court in Pretoria
In pictures: Oscar Pistorius trial Carl Pistorious in court Carl Pistorious, the brother of South African Paralympic athlete Oscar Pistorius, leaves the courtroom during a lunch recess at the High Court in Pretoria
In pictures: Oscar Pistorius trial Prosecutor Gerrie Nel Prosecutor Gerrie Nel reads out the charges on the opening day of proceedings in the High Court in Pretoria
In pictures: Oscar Pistorius trial Pretoria news A newspaper vendor sells the Pretoria News as the Oscar Pistorius trail starts at North Gauteng High Court in Pretoria. Olympic and Paralympic athlete Oscar Pistorius is accused of murdering his girlfriend Reeva Steenkamp. Pistorius denies the allegation claiming he mistook Steenkamp for an intruder inside their home on Valentines Day 2013
In pictures: Oscar Pistorius trial June Steenkamp in court June Steenkamp (L), mother of the murdered Reeva Steenkamp, sits in court ahead of the trial of Olympic and Paralympic track star Oscar Pistorius at the North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial June Steenkamp arrives in court June Steenkamp (C), the mother of Reeva Steenkamp, arrives at North Gauteng High Court for the trial of Oscar Pistorius in Pretoria
In pictures: Oscar Pistorius trial June Steenkamp arrives in court June Steenkamp (R), the mother of Reeva Steenkamp, arrives at North Gauteng High Court for the trial of Oscar Pistorius in Pretoria
In pictures: Oscar Pistorius trial Carl Pistorius arrives in court Police try to hold back the media as Carl Pistorius, the brother of Oscar Pistorius, arrives at North Gauteng High Court in Pretoria
In pictures: Oscar Pistorius trial Media outside the court in Pretoria Bewildered media stand outside North Gauteng High Court as Oscar Pistrious slips into court through another door to face trial accused of the murder of his girlfriend Reeva Steenkamp in Pretoria
In pictures: Oscar Pistorius trial Daily News front page day after the shooting Oscar Pistorius was arrested in South Africa in the shooting of Reeva Steenkamp
In pictures: Oscar Pistorius trial Oscar Pistorius and Reeva Steenkamp Oscar Pistorius and Reeva Steenkamp at the Feather Awards in 2012 in Johannesburg
In pictures: Oscar Pistorius trial Reeva Steenkamp Reeva Steenkamp who was shot dead on the Valentine's Day 2013
During cross-examination, Mr Roux questioned his version of events arguing Samantha Taylor, Pistorius' former girlfriend, who was also in the car that day, told the court both Mr Fresco and Pistorius said they wanted to "shoot a robot" and laughed.
Mr Fresco said he could not remember saying that.
Mr Fresco also told the court Pistorius asked him to take the blame after his gun, a Glock 27 .40 calibre pistol, went off under a table at a Johannesburg restaurant in a separate incident in early 2013.
Mr Fresco said he told the sprinter he was "one up"- meaning there was a bullet loaded into the chamber of the gun - before passing him the gun. He said he knew of Pistorius' "big love' for guns and assumed he "had competency with it".
Last week, Pistorius pleaded not guilty of murdering Ms Steenkamp, claiming he shot her in a case of mistaken identity thinking she was an intruder.
Prosecutors argue he intentionally shot and killed his girlfriend following a domestic dispute. If convicted of murder he will almost certainly receive a life sentence, with a minimum term of 25 years.
The case continues.