system
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human
[Minority Report] So many questions about this film's world...

Wh. if someone doesn't wanna get Eye scanned can't they simply wear dark sunglasses?

if the precrime system was gonna go nationwide, how would those 3 precogs handle every state?  they'd have multiple murders coning through simultaneously.    did they have more precogs lined up to handle the extra workload from the other 49 states?

Why does the precog crime unit have its own special prison where people are kept in a mind dreaming coma?  Why wouldn't they just go into normal prisons?

What if someone murders somebody while they are blackout drunk or on super hard/crazy drugs?  How would the precogs see that murder?

How do the precogs distinguish intentional murder from accidental death?  Or death from natural body function failure (heart attack)?

If the precogs are always in that pool won't their skin turn to mush?  How do they pee or poop?  

Who watches the precogs when Wally is home sleeping or home sick?  Who is the zombie shift guy?

what were they gonna do after the original precogs died of old age?

how did they justify keeping the precogs as slaves?
gpt
> Wh. if someone doesn't wanna get Eye scanned can't they simply wear dark sunglasses?

Suspicious and possibly illegal.

> if the precrime system was gonna go nationwide, how would those 3 precogs handle every state? they'd have multiple murders coning through simultaneously. did they have more precogs lined up to handle the extra workload from the other 49 states?

Local law enforcement budgets would include development costs for their own precog divisions, trained and supplied by the commercial enterprise spun off from PreCrime.

> Why does the precog crime unit have its own special prison where people are kept in a mind dreaming coma? Why wouldn't they just go into normal prisons?

All the prisons are now re-education centers.

> What if someone murders somebody while they are blackout drunk or on super hard/crazy drugs? How would the precogs see that murder?

The precogs view the crime scene from a variety of angles, including disassociated third-person.  They don't need to see through the eyes of the victims or perpetrators.

> How do the precogs distinguish intentional murder from accidental death? Or death from natural body function failure (heart attack)?

The emotion and intent involved from one or both of the parties involved.  To go back to your earlier question, if the perpetrator and victim were both blind drunk and truly didn't know what they were doing, then the precogs probably wouldn't detect the murder.

> If the precogs are always in that pool won't their skin turn to mush? How do they pee or poop?

Waterproof skin suits and suction tubes.

> Who watches the precogs when Wally is home sleeping or home sick? Who is the zombie shift guy?

Unnamed persons.  They probably need at least three shifts.

> what were they gonna do after the original precogs died of old age?

By then PreCrime Inc. would be churning out a healthy supply of precog slaves.

> how did they justify keeping the precogs as slaves?

The greater good - i.e. $$$.  People were going to get rich off of this technology.  If human history is any indication, there is no greater incentive for people to completely disregard the rights and feelings of others.