PRETORIA, South Africa - South African police photographs of the blood-spattered scene where Oscar Pistorius shot dead his girlfriend show that evidence was moved around in violation of procedure during the investigation of the killing, the athletes chief defence lawyer said Tuesday. In later testimony, a police ballistics expert police described how he tried to reconstruct the angle of the gunfire, citing tests that suggest the bullets were fired about 2.2 metres (7.2 feet) from a toilet door in Pistorius home. The bullets punctured the door, and three of them hit girlfriend Reeva Steenkamp, who was in the toilet cubicle. Warrant officer Bennie van Staden, a police photographer, took hundreds of photos of the scene, including of blood stains, bullet casings, a gun and a cricket bat found inside Pistorius bathroom in the hours after the double-amputee Olympic runner shot Steenkamp before dawn on Feb. 14 last year. Lawyer Barry Roux has challenged previous police witnesses, seeking to uncover contradictions and reported mishaps to support his argument that officers bungled the investigation, an allegation made by Pistorius at the start of the trial when he pleaded not guilty to murder in Steenkamps killing. In a painstaking process Tuesday, Roux minutely examined many photos taken by van Staden and another police officer and pointed out that objects at the crime scene had been moved and were in different positions in photos. Roux also used time of day records on the images to show that the two policemen taking photographs were in the same room at points, even though van Staden testified he was working alone. Pistorius, 27, is charged with premeditated murder for killing Steenkamp, 29. He denies murder and says he shot his girlfriend accidentally, thinking she was an intruder in a toilet cubicle in the bathroom, and says that he struck the toilet door with a cricket bat to get to Steenkamp after realizing what he had done. Prosecutors charge that Pistorius killed Steenkamp after an argument. Pistorius lawyer asked van Staden to explain differences in photographs of position of the 9 mm pistol that Pistorius used to shoot Steenkamp through a closed toilet door, and of a cricket bat that the Paralympian used to hit the door. "It seems there was movement of the bat" in the interval between two photographs taken by van Staden, Roux said. "It seems like that," van Staden conceded. The police photographer also acknowledged that two photographs of the gun indicated that a mat underneath it could have been shifted. Roux said one photo also differed from the other because it showed a wooden splinter on the gun handle. Capt. Christiaan Mangena, the police ballistics expert, said the bullets were fired at a slightly downward angle and entered the toilet door below the shoulder level of Pistorius, if he were standing without prosthetic limbs. Pistorius said he was on his stumps when he fired. Prosecutors do not dispute the assertion, after initially alleging he was on his prosthetic limbs when he killed Steenkamp. Mangena said he used thin rods and the beam from a laser mounted on a tripod to try to determine the trajectory of the bullets through the door. He also described entry and exit wounds on Steenkamps right arm and her head, and bruises on her chest where a "projectile" struck without penetrating. Associated Press writer Torchia reported from Johannesburg. Jameson Taillon Jersey . Ortiz hit a pair of two-run homers, including his 400th shot in a Red Sox uniform, and drove in a career high-tying six runs to power Boston past the Houston Astros 10-7 on Saturday night. 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He scored the game-winner with 4:45 remaining in the third period, stopping on the right hashmarks, carrying the puck up through the top of the Kings zone, then firing a wrist shot from the top of the circles past Jonathan Quick, who had his view obstructed by Andrew Shaw.MOBILE, Ala. -- Anna Nordqvist moved into position for her third victory of the year, shooting her second straight 6-under 66 to take the third-round lead Saturday in the Airbus LPGA Classic. The 26-year-old Swede, the winner in Thailand and Carlsbad, had a 16-under 200 total on The Crossings course at the Robert Trent Jones Golf Trails Magnolia Grove complex. "All I can do is put myself in a position to have a chance tomorrow and I felt like Ive done that," Nordqvist said. "Last year, I was in the final group and I was playing well and there was a lot of people coming from behind, so I know this golf course, you can never relax. You always have to keep pushing forward and trying to make birdies because if you dont, someone else will." Nordqvist played the front nine in 5-under 31, birdieing Nos. 2-5 and 9, and added a birdie on the par-5 16th. She has only one bogey -- on her fourth hole Friday -- in 54 holes. "I felt very confident and very comfortable," Nordqvist said. "Got off to a really good start and just tried to keep the momentum. Had a pretty good finish the last three holes, so Im very happy with the day." She set the course record last year, shooting a third-round 61 en route to a fourth-place tie. "I definitely know I can score on this course," Nordqvist said. Catriona Matthew, the 44-year-old Scot who led after each of the first two days, was a stroke back after a 70. She bogeyed three of the first five holes to drop to 10 under, then birdied five of the last 15 -- including three of the last four. "I obbviously got off to a terrible start with the three bogeys when everyone else is making birdies," Matthew said.dddddddddddd "Just knew there was a lot of chances there on the back nine if I could just hang in and try to start hitting greens again and give myself chances. Made four birdies on the back nine, so not the greatest round, but didnt play myself out of it." She won the last of her four LPGA Tour titles in 2011. "I think you come into every tournament wanting to win it, so that was my goal, to come here and win," Matthew said. "Ive been playing well all year, just not holing any putts. So if I can get my putter going, things can go well." Second-ranked Stacy Lewis, the 2012 champion who needs to finish solo third or higher to take the top spot in the world from Inbee Park, was third after a 66. Park missed the cut Friday. "It was a pretty solid day," Lewis said. "Definitely could have been a lot better, so I like that going into tomorrow that I didnt play the best round today. I left quite a few out there, but still made a lot of birdies and got the ball in the hole." She won the North Texas LPGA Shootout three weeks ago for her ninth tour title. Michelle Wie, Jessica Korda and 18-year-old Charley Hull were tied for fourth at 13 under. Wie shot 66, Korda 69, and Hull 71. Wie had a bogey-free round. "I felt like theres a lot of low scores out there, so I was just trying to keep up with everyone else, making birdies," Wie said. "Hopefully, I can have another low one tomorrow." ' ' '