State v. Yang (1995)
In State v. Yang, 196 Wis. 2d 359, 364-65, 538 N.W.2d 817 (Ct. App. 1995), a juror asked the police officer who testified in the case how the department handles cases where an interpreter is needed and presented that information to the jury during deliberations.
That information was not presented as evidence at trial. See id. at 367.
The court found that extraneous information had infected the jury's deliberations. See id.