The way it works in most workplaces, if someone is obviously visibly impaired or reeks of booze.
Potentially, or if someone is visibly unable to perform their duties as a juror the judge would stop proceedings, investigate the issue with the juror and then take whatever action they find appropriate.
Prior to deliberation, isn't a juror's main job to sit still in silence?
>Prior to deliberation, isn't a juror's main job to sit still in silence
I think they're also supposed to be paying attention to the proceedings.
Alcoholism can interfere with that job.
Jurors can comment on things like apparent misconduct, to the judge via the bailiff, or ask questions of the judge via the bailiff.