The evidence suggests that he's to blame, but let's be careful not to 'jump to conclusions'. He may have a good explanation for what happened.
At this point, his victory seems to be a 'foregone conclusion'. [=his victory seems certain; there seems to be no doubt that he will win]
Most people felt that the outcome of the trial was a 'foregone conclusion'. [=they felt sure that the trial would end in a certain way]
(..) sit still or hold a thought in my head. I think it's the excitement only a free man can feel. A free man at the start of a long journey... ...whose conclusion is uncertain. I hope I can make it across the border. I hope to see my friend and shake his hand. I hope the Pacific is as blue (..)1994 The Shawshank Redemption