South African Paralympic athlete Oscar Pistorius talks with his lawyer Barry Roux during his ongoing murder trial on March 24, 2014 in Pretoria. Oscar Pistorius's murder trial entered its fourth week with more testimony on gunshots and a woman's terrified screams on the night the star Paralympian shot dead his glamorous girlfriend. AFP PHOTO / POOL Chris Collingridge        (Photo credit should read CHRIS COLLINGRIDGE/AFP/Getty Images)