PRETORIA, South Africa - In a day of potentially damaging testimony, a former girlfriend of Oscar Pistorius said at his murder trial Friday that he once shot his gun out of a car sunroof and later cheated on her with the woman he killed last year. And a security guard recalled the athlete telling him everything was "fine" after neighbours reported gunshots coming from Pistorius house on the night of her death. The gripping accounts capped the first week of the televised trial of the double-amputee Olympian, whose chief defence lawyer has tried to sow doubt about the testimony of neighbours who said they heard a womans screams before gunshots. Proceedings have also focused on past incidents involving alleged gunplay, part of an apparent prosecution effort to portray Pistorius, 27, as a hothead who sometimes thought he was above authority. Prosecutors say he intentionally killed Reeva Steenkamp during an argument, but he insists it was a mistake, and that he fired through the locked toilet door in his bathroom believing an intruder was behind it. The security guard, Pieter Baba, testified that he telephoned Pistorius after the reported gunshots in the pre-dawn hours of Feb. 14, 2013, and that the athlete assured him in their brief conversation: "Security, everything is fine." Moments later, Baba said, Pistorius phoned him back, started crying and didnt say anything and then the line went dead. It was minutes after he shot Steenkamp, a 29-year-old model. "Not everything was in order as Mr. Pistorius was telling me," Baba recalled saying to a fellow guard as they were outside the runners villa. Earlier, ex-girlfriend Samantha Taylor, who cried twice during her time on the stand in the Pretoria court, said Pistorius always carried a firearm when they dated and sometimes shouted angrily at her and her friends. There were murmurs in court when Taylor said their relationship ended because Pistorius cheated on her with Steenkamp. Taylor said she started going out with Pistorius in 2011 when she was 17 and that the relationship ended in November 2012. She described some of Pistorius habits, including what side of the bed he slept on at home, the fact that he placed his gun on the bedside table or next to his prostheses on the floor at night and how he would balance against things if he was walking on his stumps. 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. Taylor described one occasion in which Pistorius fired his gun out of a sunroof soon after a policeman stopped their car for speeding. She also mentioned another incident in which she and Pistorius were followed by a car as he drove home. "When we arrived at his estate, he jumped out of the car with his gun and held it to someones window, and then they drove away," Taylor said. Defence lawyer Barry Roux raised the possibility that Pistorius was trying to protect Taylor, though she said did not feel threatened. Taylor also described problems in her relationship with Pistorius, the first amputee to run in the Olympics. "He cheated on me with Reeva Steenkamp," Taylor said. The court later adjourned briefly after Taylor broke down in tears while describing how Pistorius had earlier cheated on her with a different woman, and then again when she cried while discussing her problems with him. Roux, the defence lawyer, said he would produce emails between Taylor and Pistorius to show that her testimony was untrue, and he also sought to highlight apparent gaps in Taylors memory of the alleged sunroof gunfire in September 2012. Roux said Pistorius denies the shooting took place. Taylor also described previous incidents when Pistorius thought there was an intruder trying to get into his home, saying he reacted by waking her up. "There was one occasion when something hit the bathroom window and Oscar woke me up and asked me if I heard it," Taylor said. "He got up with his gun." But he woke you up, asked prosecutor Gerrie Nel. "Yes. There was probably one or two occasions when he woke me up to ask me if I heard something," Taylor replied. Pistorius did not attempt to wake or locate Steenkamp before he shot her by mistake, according to his own version of events. On the night Steenkamp died, security guard Baba said he drove from the main gate of the gated community to Pistorius home with a colleague after neighbours called to report sounds like gunshots from that direction. A few minutes after Babas two brief phone calls with Pistorius, two other people showed up: Johan Stander, a manager of the housing complex whom Pistorius says he called to get an ambulance, and Standers daughter. The group went to the front door of the house and someone pushed it open. Baba said he saw Pistorius coming down the stairs, carrying the bloodied Steenkamp. "I was so shocked," Baba said. "I started regaining my senses when Mr. Stander said Oscar." Filipe Luis Jersey . They probably ruined Tim Duncans hopes of a career change, though. Duncan wants to be a point guard, coach Gregg Popovich revealed Saturday, a wish that wont be granted. Custom Brazil Jerseys . 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Riley Grabau scored 17 points, Larry Nance Jr. had 14 and the Cowboys beat No. 5 San Diego State 68-62 on Tuesday night to end the Aztecs 20-game winning streak. Shyatt was Wyomings coach 16 years ago -- almost to the day -- the last time a top-five team was upset in Arena-Auditorium. That was Feb. 12, 1998, when the Cowboys took down No. 5 Utah 62-56 on the same floor. "Its like a good bottle of wine -- it gets better with age," Shyatt said. The Cowboys (15-9, 6-5 Mountain West Conference) savored another marquee win Tuesday as fans rushed the court after the final buzzer, mobbing Wyoming players. "Their only other loss was to Arizona," Nance said. "I mean, to be in that category is awesome, you know? Fifth-ranked team, the fans storming the court like they did, it was spectacular." The Aztecs (21-2, 10-1) won 20 in row after losing to Arizona in their second game of the season. The streak tied the program mark set by the 2010-11 team, which finished a school-record 34-3 after reaching the Sweet Sixteen for the first time. "This is a tough league and you go on the road and it becomes even tougher. And with the win streak we had, I think everybody knows it and everybody talks about they want to be the team to break it and storm the court," SDSU coach Steve Fisher said. "And to Wyomings credit, they were the ones. They were the ones that did it. Thhey played better and they deserved one.dddddddddddd" Dwayne Polee II led San Diego State with 15 points, followed by Xavier Thames with 13. "Youve just got to take it as a learning experience," said Thames, who was averaging 18.1 points. "Theres a lot of season left, so we cant hang our heads." Wyoming built a 16-point lead midway through the second half, catching the Aztecs defence lagging several times. At one point, the Cowboys slammed down four consecutive dunks. San Diego State mounted a furious comeback, closing within four points with 1:04 left and again with 40 seconds to go on two buckets by Winston Shepard, who finished with 10 points. But the Aztecs, who were averaging 73.4 points, failed to score again as Wyoming pulled away with free throws in the final 30 seconds. Nathan Sobey and Charlie Hankerson Jr. each had nine points for Wyoming, which used an efficient offence and a stifling defence to stop San Diego State. The game featured the top two defensive teams in the Mountain West. Entering the game, San Diego State was giving up an average of 56.6 points, while the Cowboys were allowing 60.4. But it was the Aztecs who had the most trouble making baskets, hitting 38 per cent of their field goals and committing 13 turnovers while Wyoming made 58 per cent of its attempts from the floor and had 11 turnovers. The Cowboys took a 32-23 halftime lead, closing out the last 4:20 of the first half with a 10-3 run keyed by two 3-pointers from Grabau. ' ' '