The jury will go into their fourth day of deliberations in the trial of Const. James Forcillo on Saturday.
The 32 year old facing second-degree murder and attempted murder charges in the 2013 streetcar shooting death of Sammy Yatim.
The jury retiring again Friday night after another full day of poring over the evidence.
The 11 jurors have been at it since Wednesday after Justice Edward Then sent them to decide the fate of the Toronto Police officer.
Security is expected to be high around the downtown courthouse, with police recruiting a video surveillance truck in addition to up-ing their foot presence.