` ` Before I could react , I pulled the trigger , '' M ' says . He reads the Valentine 's Day card that his girlfriend had written for him . The prosecution is trying to prove Pistorius killed his girlfriend intentionally . The trial is scheduled to continue until the middle of May . The double agent says that he mistook Van Steenkamp for an intruder .
` ` Before I could react , I pulled the trigger , '' M ' says . He reads the Valentine 's Day card that his girlfriend had written for him . The prosecution is trying to prove Pistorius killed his girlfriend intentionally . The double agent says that he mistook Van Steenkamp for an intruder .