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]
(..) It'll go on and on. You're retiring in days. You've left unfinished business before. Those cases were taken as close to conclusion as possible. - And if I may speak freely? - We're friends here. It's his first assignment. I knew it. This is not my first assignment, you dick. (..)1995 Se7en