[inferiorhuman]

I should probably clarify (and I'm not a lawyer either). In California jurors in are not guaranteed the right to ask questions regardless of the charges. This actually caught one of the defense attorneys by surprise at the trial I was a juror on (well after I'd studied this shit at uni). In capital cases, jurors determine the sentence – this is unique to capital cases. Different states do things differently.

  Is this the "no outside information rule" ?

My understanding was that this was due to the law wanting laypeople (nee jurors) to use precise legal terminology. Whereas no outside information feels more like "don't do outside research on the facts of the case".

[sitkack]

It sounds like, and it should be confirmed but ...

The court decides what information the jurors have, and it wants them to use precise legal terminology, yet there is no guarantee that those terms will be defined and they are not allowed to use dictionaries to define terms, nor is there a guarantee that a jurors questions will be answered.

Sounds like the default should be a mistrial. Sounds like a situation ripe for making things that are "only true in a court of law" and no where else.

[inferiorhuman]

Yeah that's more or less my take. Essentially the court wants a jury of laypeople who are able to understand legal terms that professionals spent years in school studying. They also want jurors to render opinions on things completely without contextual knowledge – the case I was on involved alcohol so having strong opinions on alcohol was a nearly instant dismissal, I've never seen so many teetotalers in my life.

There are people working to change this, and I think the ability to ask questions is a relatively new development, but it's slow going as anything with our legal system generally is.