"Point of Origin" is the 8th episode of the fourth season of the American television drama series Person of Interest.
The series revolves around a computer program for the federal government known as "The Machine" that is capable of collating all sources of information to predict terrorist acts and to identify people planning them.
A team, consisting of John Reese, Harold Finch and Sameen Shaw follow "irrelevant" crimes: lesser level of priority for the government.
In the episode, the team investigates a NYPD recruit in the academy training with Reese serving as her instructor.
According to Nielsen Media Research, the episode was seen by an estimated 9.87 million household viewers and gained a 1.6/5 ratings share among adults aged 18–49.
Despite being pressured by Dr. Campbell (Wrenn Schmidt) to attend therapy, Reese continue delaying it or just not showing up.
The team discovers that Silva is already a cop, having been assigned by Internal Affairs to infiltrate training and find a possible mole in her squad.
Fusco (Kevin Chapman) and Shaw (Sarah Shahi) follow the shooter to a gym where he meets with members of The Brotherhood.
Through cues, Finch (Michael Emerson) eventually realizes that "Mini" is actually Dominic (Winston Duke), leader of the gang.
Matt Fowler of IGN gave the episode a "great" 8 out of 10 rating and wrote in his verdict, "'Point of Origin' was good, but we all know the heights POI can reach.