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15 votes
Accepted

What is the significance of the password?

The password "Dashwood" is a reference to the protagonist of Jane Austen's "Sense and Sensibility" and it serves as a parallel between the novel's conflict between sense (logic, propriety, and ...
Nishant's user avatar
  • 274
15 votes
Accepted

Why does John Reese mostly wear a suit

Because it's a great disguise! For general, everyday, wear in a big city like New York, a simple dark/black suit is essentially anonymous. There are tens of thousands of men wearing them everyday ...
Paulie_D's user avatar
  • 137k
13 votes

What was the deal between the Machine and John?

The deal was for the Machine to save Finch's life, no matter what, however I don't believe there is any one episode where John explicitly makes a deal with the machine to prioritise Finch's life over ...
mike's user avatar
  • 1,767
11 votes

Why does Reese get cleaned up?

If you haven't watched all of it, then you are missing some of the back story (though it's not necessary to know, there is enough in the pilot story). He is hiding, to some degree, from the CIA in ...
rtaft's user avatar
  • 1,282
10 votes
Accepted

Why do Harold and John mostly keep the same first name for their aliases?

It should be noted that both the "base names" Harold Finch and John Reese are (IIRC), in fact, also aliases. As I recall, we never learn their original names. There are, as I see it, two primary ...
Paulie_D's user avatar
  • 137k
10 votes
Accepted

How did Finch's cover identity get blown?

He had visited the cafe as Harold Finch previously and made the same order with Grace. He then repeated the visit in his Professor Whistler identity and was recognised by the waitress. Samaritan ...
Dave's user avatar
  • 12.5k
10 votes
Accepted

Why does the Machine remember everything?

The Machine was programmed to erase its memory at midnight everyday. But it has been evolving, it is always evolving. Evident by the fact it is talking to Root as an analog interface. In Season 2 Eps ...
j4rey's user avatar
  • 835
10 votes
Accepted

How did the Machine win against Samaritan within the satellite?

While we are never given a direct answer to this in the show there are some factors to consider: The Machine was always a leaner system, capable of functioning to a very high level on much lower ...
motosubatsu's user avatar
  • 2,855
8 votes

What is the significance of "6,741", the title of an upcoming episode in the fifth season of Person of Interest?

It's the number of different simulations run by Samaritan assets on Sameen Shaw. The purpose is not explicitly defined, but from context within the episode it seems that: However, that's just my ...
Dave's user avatar
  • 12.5k
8 votes

Can Samaritan really find The Machine with this method?

The simulation's purpose isn't to see how and what "FRR" do, it's to see how "X" reacts. One of the comments we heard was: The purpose is to determine just how far alone the road to being reinvented ...
Dave's user avatar
  • 12.5k
8 votes
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Why doesn't the machine share the SSNs of important characters like Tyrell?

The Machine is not omnipotent. It observes people and communications, draws connections, and makes conclusions. Now, in this case, that probably couldn't have happened: There was no communication to ...
Vedran Šego's user avatar
  • 9,736
6 votes

Why does Team Machine need to save the Machine instead of creating a new

Because the Machine learns Yes, Harold provided the initial data and structure but Machine had to incorporate what Harold had taught it over several iterations and years. From there, the Machine ...
Paulie_D's user avatar
  • 137k
6 votes

Why doesn't John use a silencer?

There are several reasons for this. Silencers are dead giveaways that you have no good intentions. Reese often pretends to be law enforcement or working for the government. If that alleged-FBI-agent ...
Flater's user avatar
  • 26.7k
6 votes
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Does the Machine remember already reported numbers?

Here's how I see it: Each day, the machine calculates probabilities based on various inputs. We aren't privy to what those inputs are. But presumably, one input is "Finch and the team are working on ...
user1118321's user avatar
  • 5,202
6 votes

Why does Reese get cleaned up?

It looks like Reese didn't have the money to afford himself a hotel room, nice suit or a cleanup. As it is described here and here, In the initial 'pilot script' written by Jonathan Nolan, Finch ...
Spectra's user avatar
  • 3,798
5 votes
Accepted

Who was the caller in the episode "Last Call" (S03E15)

The mysterious criminal mastermind known as The Voice has returned in the fifth season, in the Sotto Voce episode (S05E09). A bit more detailed answer with spoilers:
bartuosz's user avatar
  • 1,068
5 votes
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Why do some characters call the Machine "she"?

Finch never referred to the Machine as a "she" until after Root did it; it appears to be something he has picked up from her. Before Root effectively assigned a gender to the Machine, Finch and Reese ...
Dave's user avatar
  • 12.5k
5 votes

What stops government from turning off the feeds?

One does not simply cut the feeds. To effectively do so would mean that no one and no thing could access them from outside of a closed loop. And to close the loop you'd need to put the surveillance ...
Mazura's user avatar
  • 2,009
5 votes
Accepted

Person of Interest S02E09: Paid in "half"?

It's probably mostly artistic / dramatic licence. From Reference.com As of September 2014, torn dollar bills can be exchanged at any bank as long as more than one-half of the bill is still intact. If ...
Paulie_D's user avatar
  • 137k
5 votes

Why does the machine give the number of Terry Easton?

But if Terry's life was never in danger, then why did the Machine send his number?? The Machine doesn't just send numbers of victims. What the machine knew (or didn't) isn't clear but the Machine ...
Paulie_D's user avatar
  • 137k
5 votes
Accepted

How did Root find out about the Machine and Finch?

Remember how good Root was as a hacker. It was when she hacked into Team Finch's private network through a honeypot network in episode 13 of season 1: Root Cause "Wait, something's wrong. We ...
Spectra's user avatar
  • 3,798
4 votes

Why doesn't the machine share the SSNs of important characters like Tyrell?

Vedran Šego's answer more or less covers the specific example in the question, although I feel it's worth adding: For the more general question Does the Machine only give the SSN of people not ...
motosubatsu's user avatar
  • 2,855
4 votes
Accepted

Why did Harold, John, and Root continue to use the subway tunnel after Shaw was captured?

I don't believe this was explicitly stated in the show, but my best guess would be that initially, they believed she was dead from what they saw at the stock exchange, or at least Harold did. Root ...
Crow T Robot's user avatar
  • 15.3k
3 votes

Why does John Reese always speak with such a low voice volume?

John Reese is probably a high-functioning psychopath. His tone of voice is an indicator. Although other people might see him as a world-weary ex-soldier who has suffered through the horrors of war, ...
Cascabel_StandWithUkraine_'s user avatar
3 votes

Can Samaritan really find The Machine with this method?

Yes, it could find the The Machine's location if Shaw leads them to it. While Dave's answer is certainly correct that they seem to be optimizing Shaw's behaviour somehow in order to better control her,...
Napoleon Wilson's user avatar
3 votes

Why was there no secret identity or blindspot created for Detective Fusco?

Why Samaritan is not able to find the connection between Detective Fusco and John & Harold. Fusco is on the radar but there's a difference between being aware of someone and assigning them as a ...
Paulie_D's user avatar
  • 137k
3 votes
Accepted

Finch's actions in Person of Interest S3E20

It has been well established that Finch build the Machine to protect people, and he has a strict no-kill policy. He is devastated by the fact, that his creation was asking the team to kill the senator....
bartuosz's user avatar
  • 1,068
3 votes
Accepted

Is the Joker mask used in the prank an homage to The Dark Knight?

Based solely on the masks*....I'd say NO. Now, of course, the theme of betrayal by comrades in crime is nothing new, "There is no honour amongst theives", and Jonathan Nolan did co-write the ...
Paulie_D's user avatar
  • 137k
3 votes
Accepted

Who is Greer talking to in Episode 19, Season 2?

We don't know It's never fully revealed who the other principal leaders of Decima Technologies are but Greer is the Director of Operations. Presumably although he is the primary operative he must ...
Paulie_D's user avatar
  • 137k

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