Transcript for Verdict Expected in Oscar Pistorius Murder Trial
Now, to Oscar Pistorius, a verdict in his murder trial, expected tomorrow, six months after it started. The former olympian is appearing to show signs of stress as he waits to learn his fate. ABC's Matt Gutman has that story. Reporter: This morning, ABC news has exclusively obtained a copy of a tell-all book by his ex-girlfriend, Sam Taylor's mother, portraying Oscar Pistorius as an emotional wreck and a danger to those closest to him. Do you believe that if Sam stayed with Oscar, it would have been her behind that door? I'm convinced it would have been. Reporter: Co-authored by Linda Ferguson, the book "Oscar an accident waiting to happen," alleges Oscar would drive his sports car almost 200 miles per hour, with a terrified petite blonde inside. That he wept hundreds of times on the phone with Taylor and his mother, and apologize for his explosive temper. In one e-mail, he reportedly wrote, sometimes I find it easier to believe that there is darkness in others like I know it is in me. In another e-mail, the author says he wrote, most of my adult life, I've had moments that I sabotage the good that I have. And now, ahead of his trial for the murder of another blonde girlfriend, reeva steenkamp, Oscar Pistorius, again on-edge. The blade runner seen Friday, sporting a scuffy beard and beefier than he was during the trial. And seemingly snapping. On Friday, he allegedly erupted at a pair of reporters. How can you ask me that? Do you really have the audacity to ask me how I'm doing at this point in my life? For "Good morning America," Matt Gutman, ABC news, Pretoria, South Africa.
This transcript has been automatically generated and may not be 100% accurate.