There are several opinions in the civil procedure textbook that I assign to my first-year students that discuss juror misconduct during deliberations. Several of them are Supreme Court cases, and others are from the Court of Appeals.
I'm going to ditch all of them, and have my students merely read this opinion by Judge McKeown.
It's concise, to the point, and tells students pretty much everything they need to know.
So thanks, Judge McKeown. You saved my students about ten pages of reading.
Which I'll now devote to further exploration of the Erie doctrine.