Person Of Interest 5x3 -

Pay close attention to the 2010 Iraq scenes, which clarify why Alex's brother was targeted and how Reese's "code" has evolved.

This episode is a deep dive into Reese's morality and the consequences of his actions as an operative. Person of Interest 5x3

Alex Duncan ( Stephen Plunkett ), a computer security expert. Pay close attention to the 2010 Iraq scenes,

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. Alex is investigating the death of his brother,

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.

The code the Machine sends to Finch translates to an Emily Dickinson poem , "Cocoon Above! Cocoon Below!", symbolizing transformation. "Person of Interest" Truth Be Told (TV Episode 2016) - IMDb

* Stephen Surjik. * Writers. Erik Mountain. Lucas O'Connor. Tony Camerino. * Jim Caviezel. Kevin Chapman. Amy Acker.