The Machine sends Root to work as a courier driver. She discovers Samaritan is using the courier service to spread malware via physical equipment.
The case brings back Terence Beale ( Keith David ), Reese’s former CIA supervisor. Beale realizes Reese is alive but chooses to omit this from his official report. Person of Interest 5x3
Alex is investigating the death of his brother, Paul Duncan , a soldier who Reese and Kara Stanton interrogated (and Reese eventually killed) during a 2010 CIA operation in Iraq. The Machine sends Root to work as a courier driver