The jury is selected at random. Loads of members of the public are called for jury service. They'll go to court on the day and be called into the court room. They'll be told what the offences are, the parties names and how long the trial is expected to last and asked if there's any reason why they can't do jury service (e.g. they know of the defendant). Then 12 people will be picked at random to be the jury for that trial.
All a juror needs to do is Google him when they get home and they'll see all the articles about him being an absolute wrong un.
Can't imagine he'll make a good impression on the jury - he'll be well cocky when he's giving evidence. I hope they find the ponce guilty and he goes to jail. He'll probably love being bummed and giving rim jobs out in jail though