PRETORIA, South Africa -- A South African police officer swung a cricket bat at Oscar Pistorius bullet-marked bathroom door during his murder trial on Wednesday, using two key pieces of evidence to re-enact the night he killed his girlfriend. Police Col. J.G. Vermeulen faced tough questioning from Pistorius defence lawyer, who tried to discredit the police investigation of the shooting and alleged that Vermeulen, a forensic expert, made glaring missteps in his analysis. Pistorius lawyers secured bail for him last year after contending that police contaminated or tampered with evidence from the home where he fatally shot Reeva Steenkamp, firing through the bathroom door as she cowered inside during the pre-dawn hours of Valentines Day 2013. Pistorius says the killing was a mistake; the prosecution alleges the 27-year-old double-amputee intentionally shot Steenkamp after an argument. The actual door that Pistorius shot through a year ago was erected in the Pretoria courtroom Wednesday, and the bat he used that night was used in the demonstrations. There was even a toilet cubicle behind the door, recreated to the exact specifications of the small area of Pistorius bathroom where the 29-year-old model was fatally shot, Vermeulen said. Below the doors handle, four bullet holes were clearly visible. Steenkamp was hit three times in the hip, arm and head. One shot missed, the court has heard. Pistorius says he used the bat to break down the door after realizing he shot Steenkamp, mistaking her for an intruder. Kneeling, Vermeulen swung the bat to show how he believed Pistorius struck the door from a low angle, indicating he was on his stumps at the time. Defence lawyer Barry Roux insisted Pistorius was wearing his prosthetic legs, saying the bat marks on the door were low because he swung with a bent back. The back-and-forth over whether Pistorius, the first amputee to run at the Olympics, was on his prosthetic limbs or not is important because it could match parts of his story that he accidentally shot Steenkamp, or expose inconsistencies in it. Last year, prosecutors maintained Pistorius was on his prostheses when he fired through the door, arguing the runner planned the killing while putting on his artificial limbs. But in a reversal, prosecutor Gerrie Nel said in court Wednesday that he did not dispute the defences contention that the runner was on his stumps when he opened fire. The athlete has said he fearfully approached the bathroom on his stumps and shot Steenkamp by mistake, thinking she was an intruder hiding behind the door. According to his account, he then put on his prostheses and tried to kick down the locked door, striking it with a cricket bat in a panicked attempt to reach his girlfriend. Roux turned up the pressure on Vermeulen, saying the police investigator failed to properly look at another mark on the door the defence says was made by Pistorius prosthetic leg as he tried to kick it down, leaving a piece of sock fabric lodged in the wood. The defence lawyer also indicated that police investigators might have left a shoe print on the door, the door itself might have been kept in a policemans office and not in proper evidence storage, and missing fragments from the door werent examined. Vermeulen said the door was kept in a "body bag." In an evidence photo, a faint footmark on one of the door panels could be seen. "It looks like a police shoe print," Vermeulen said. "How did that come about?" Roux asked. Vermeulen said he did not know. Earlier, Vermeulen also said a metal panel on the wall of the main bathroom in Pistorius home had been damaged by being hit with a "hard" object. The panel was new evidence. A photo of the damaged plate was shown. Pistorius faces a possible life sentence if convicted of murder for killing Steenkamp. The judge, who watched the demonstrations Wednesday, will ultimately decide on the verdict. There is no trial by jury in South Africa. Pistorius was born without fibula bones because of a congenital defect, and his legs were amputated when he was 11 months old. He ran on carbon-fiber blades and is a multiple Paralympic medallist . He also competed at the London Olympics but didnt win a medal. Julian Edelman Jersey . A question that was repeatedly posed last season, and the season before that and in the 2011 campaign before that. Stephon Gilmore Jersey . The 42-ranked Czech saved seven break points while converting his one chance, and defeated the No. 3 seed in 1 hour 46 minutes. Rosol, who lost in the final in Stuttgart against Roberto Bautista Agut on Sunday, awaits the winner between Philipp Kohlschreiber or 2011 champion Gilles Simon. http://www.patriotsjerseysauthentic.com ... wl-Jersey/. 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Silfverberg was acquired from Ottawa when the Ducks traded veteran Bobby Ryan in July. The 22-year-old right wing is holding his own on a line with 43-year-old Teemu Selanne and Mathieu Perreault. They assisted on both goals by Silfverberg, who had the second two-goal game of his young career. "Ive been fortunate to play with two great players," Silfverberg said. "Theyre so good at one-on-one battles and at finding me. Ive been lucky so far and its a matter of keep shooting the puck." Dustin Penner and Daniel Winnik each added a goal and an assist. The goals were the most scored by Anaheim and its largest margin of victory, both in a home opener. "We want to build up a lot of confidence at the start of the season," Silfverberg said. "We cant get satisfied. We got to keep pushing harder." New York has been outscored 20-6 to start their first season under new coach Alain Vigneault. The Rangers lost 9-2 at San Jose on Tuesday. "If we play this way, were going to be in deep trouble," defenceman Dan Girardi said. "Weve just got to figure out what the heck is going on and start being a hard team to play against, and get back to what we were successful at the last couple of years." The Ducks outshot the Rangers 37-34 for their third win in a row in the teams first meeting in nearly two years. Playing without injured All-Star forward Rick Nash, the Rangers fell to 1-3 on their nine-game trip, the longest to open a season in franchise history. Nash got hit in the face by San Joses Brad Stuart on Tuesday. Stuart received a three-game suspension for an illegal check to the head. New Yorks Henrik Lundqvist, a finalist for the Vezina Trophy last season, stopped 31 shots in losing for the third time in four games. "Its going to be hard for Henrik to stop everything if we keep turning the puck over like that," centre Derick Brassard said. "We just need to support the puck better and make the simple tape-to-tape pass. Were not executing right now and its really hurt us. We pretty much had the same game in San Jose, but I dont think its because of lack of effort." The Ducks built a 3-0 lead on goals by Ryan Getzlaf, Silfverbberg and Winnik in the first period, when Anaheim outshot the Rangers 17-3.dddddddddddd "I had a good seat for an exciting game," Hiller joked about having little to do in the first. Silfverbergs initial goal came on a tip-in. "Its really nice to see him fit right in that line," Hiller said. "Its great to see him scoring." The Rangers were the NHLs least penalized team last season, but they racked up 26 minutes worth in the first. Derek Dorsett accounted for 19 minutes, including a 10-minute misconduct after instigating a fight with Anaheims Bryan Allen. Silfverberg struck again 1:27 into the second, scoring on a long rebound that caught Lundqvist out of the net. The play began when Benoit Pouliot gave away the puck in New Yorks zone. "Theres just no pride going on right now in our defensive zone," Rangers captain Ryan Callahan said. Saku Koivu made it 5-0 on a wrist shot, and Penner beat Lundqvist glove side to score his first goal of the season, giving the Ducks three more goals in the period. "The first two periods were as good as we can play," Ducks coach Bruce Boudreau said. The Rangers cut their penalties to one in the second, when they kept Hiller busier by outshooting the Ducks 14-13 but still had nothing to show for it. "Its kind of tough when youre up 6-0 to keep pushing," Hiller said. "It was nice to get a couple stops there." In the third, New York had 17 shots to Anaheims seven. NOTES: Penner and Nick Bonino left the game with lower body injuries, and Perreault sustained an upper body injury. ... It was the first time New York allowed at least six goals in consecutive games since Oct. 12 and 14, 2006. ... 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