The Sheriff's office allowed visitors access to the jury while they were sequestered

[Spazito]

194. That law is not related to supervised vs unsupervised...

which is what is being discussed wrt this case, it is general in nature:

"Sequestration of Juries

(a) Prior to Instructing of Jury. The jury shall not be sequestered in any action, civil or criminal, prior to the instructing of the jury by the court, unless the court, in its discretion so orders on its finding that there are extraordinary circumstances requiring sequestration for the protection of the jurors or in the interests of justice.

(b) Following Instructing of Jury. Following the instructing of the jury by the court and during the course of deliberations, the court may, in its discretion, in both civil and criminal actions, permit the dispersal of the jury for the night, for meals, and during other authorized intermissions in the deliberations."

It speaks to the court's discretion in very general terms and not to the restrictions that may be ordered when a jury is in sequestration. ie phone calls, family visits, use of the internet, etc.