Person of Interest/Recap/S01/E08

Season 1, Episode 8:

Foe
Former Stasi hitman Ulrich Kohl arrives in New York, pursued by German intelligence and determined to carry out a mission of revenge against his former colleagues who have since defected to the United States. When his number comes up, Reese and Finch intervene to try and stop Kohl before his Roaring Rampage of Revenge reaches his supposedly-dead wife, while Carter and Fusco attempt to smooth over a potential international incident.

In flashbacks to 2006, Reese reports for his first CIA operation and meets his new partner, Cara Stanton, who has the task of bestowing him with a new operational name. They meet with a pair of American spies who have been flagged -- by an anonymous source -- as being responsible for helping a terrorist escape the country. Stanton casually murders both spies and orders her new partner to clean up the mess, and comes up with his new name: "John Reese".

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Tropes present in this episode include

 * BFG: Reese's Barrett sniper rifle.
 * Hey, It's That Guy!: Roving TV regular Alan Dale as Kohl.
 * Luke, I Am Your Father: Kohl, Anja and their daughter dance around this reveal.
 * Not So Different: Reese and Kohl.
 * Roaring Rampage of Revenge
 * She's Just Hiding: Anja, literally.
 * Suicide by Cop: Kohl threatens to shoot Anja, forcing Reese to shoot first. He only realises after that Kohl's gun wasn't loaded.