Oscar Pistorius entered the fifth day of his murder trial in Pretoria, South Africa, on Friday.<br /> <br />The Olympic sports icon is accused of shooting dead his girlfriend Reeva Steencamp on Valentine's Day last year.<br /> <br />The court heard emotional testimony from his ex girlfriend, Samantha Taylor, whose face wasn't shown to cameras.<br /> <br />(SOUNDBITE)(English) OSCAR PISTORIUS' DEFENSE LAWYER, BARRY ROUX, SAYING:<br /> <br />"Miss Taylor, do you say that when he took Reeva Steenkamp out for the first time, that he was still in a relationship with you?"<br /> <br />(SOUNDBITE)(English) WITNESS, SAMANTHA TAYLOR, SAYING:<br /> <br />"Yes, we were."<br /> <br />(SOUNDBITE)(English) WITNESS, SAMANTHA TAYLOR, SAYING:<br /> <br />"The first time our relationship ended, was when he cheated on me with.....(breaks down in tears)"<br /> <br />Pistorius says he shot Steencamp through a closed bathroom door in the middle of the night after mistaking her for an introducer.<br /> <br />During her testimony, Taylor also said Pistorius carried a
