: Agent Lennox is eventually exposed as a mole working for the Brotherhood, confirming the gang's deep reach into law enforcement.
: While Reese handles the street-level threat, Finch meets with Carl Elias on a subway train. Finch provides Elias with a subtle warning—using the book The Invisible Man as a metaphor—that the criminal landscape has fundamentally changed due to the rise of Samaritan . Key Twist: The Rise of Dominic Person of Interest 4x4
In the Person of Interest episode (Season 4, Episode 4), the team receives the numbers of two siblings, 14-year-old Malcolm and 8-year-old Tracie Booker. The children, currently in foster care while their mother is imprisoned, find themselves in mortal danger after stumbling upon a botched drug deal and stealing $500,000 from a rising gang known as the Brotherhood . Plot Summary : Agent Lennox is eventually exposed as a
: It is revealed that Malcolm stole the money to hire a lawyer for his mother, who is serving time for an illegal firearm that actually belonged to Malcolm. Key Twist: The Rise of Dominic In the
: Reese and Shaw track the siblings across New York while Reese, under his cover as an NYPD detective, coordinates with DEA Agent Erica Lennox to locate them before the gang does.