P.R. Laws Ap. tit. 34A, § II, Rule 139
2019-02-21 00:00:00+00
When the jury retires to deliberate, the marshal shall be sworn to:
(a) Keep the jurors together in the room provided by the court for deliberation.
(b) Not permit any person to communicate at all with the jury or with any of its members.
(c) Not communicate himself with the jury or any of its members on any matter connected with the prosecution.