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Police officer investigated for using AI to 'create evidence' in multiple cases

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Re: Police officer investigated for using AI to 'create evidence' in multiple cases

#141

Post by altmanaltman »

CDRdude wrote: post #123
assimpleaspossi wrote: post #113

Earlier quoted context omitted.

Are we really going to go to a fictional TV show now?

If a fictional-but-popular TV show treats some kinds of evidence as more reliable than they really are, juries may be primed to believe in the kind of thing the TV show presents as legitimate.

Sure but lawyers would know that and ensure evidence doesn't get presented that way right? There are also a lot of other biases that lawyers have to navigate through.

Humans are flawed but that doesn't mean everyone in the jury thinks TV is real.

Re: Police officer investigated for using AI to 'create evidence' in multiple cases

#143

Post by dzhiurgis »

XorNot wrote: post #133
ChrisMarshallNY wrote: post #43

Earlier quoted context omitted.

Eh. It was some kind of hash of the image. I was not involved in that project, so can't tell you exactly how it worked, but the images were "signed," and someone figured out how to "re-sign" an altered image. I think it was a fairly well-known technique.

Which still sounds like your employer was simply incompetent because why was any type of perceptual hashing scheme even involved? Signing digital data with hardware secure tokens is a commodity capability in the iPhone many of HNs users are reading this site with.

I think this has been around for not so long

https://en.wikipedia.org/wiki/Content_Authenticity_Initiativ...

Re: Police officer investigated for using AI to 'create evidence' in multiple cases

#144

Post by aorloff »

3eb7988a1663 wrote: post #30
catlikesshrimp wrote: post #10

Earlier quoted context omitted.

Interesting, There aren't any newspapers left in my country, neither printed nor not printed. The closest you can find is the weekly advertising booklet here and there. Which is irrelevant now because a computer can either stich new content to an old picture, or entirely producing a custom picture. That would be a use case for a block chain. But I still don't understand how you are securing the integrity of the valid…

If you want to prove that "happened at or after this timestamp" you can use a randomness beacon. NIST[0] and others publish a random number every N minutes. Embed that (or a combination) of those seeds to prove that you observed this value. This does not work for the harder problem of proving an event happened before a timestamp. [0] https://csrc.nist.gov/projects/interoperable-randomness-beac...

Thanks - this is the perfect example of how to do this

Re: Police officer investigated for using AI to 'create evidence' in multiple cases

#145

Post by pjc50 »

testing22321 wrote: post #29
bobthepanda wrote: post #3

i do wonder, that in the age where we have image and video creation out of the bag, whether or not this will result in whole classes of evidence becoming completely unreliable.

I’m still shocked we have not seen an extremely convincing AI video of a famous person or world leader announcing something huge like UBI or WW3 or aliens. Surely it’s just a matter of time.

Oh, I assumed they were already out there in the sea of slop like the Iran Lego propaganda tiktoks.

Re: Police officer investigated for using AI to 'create evidence' in multiple cases

#146

Post by otherme123 »

sudonem wrote: post #108

I would be interested in knowing both what kind of fabrication occurred, but perhaps I’m not curious about how it was discovered? Did the defense use some sort of tool to debunk? Was it just an obvious deepfake etc? Or was it the officer’s ineptitude that got him caught?

My experiece with whatsapp family groups is that a lot of people over 40 can't detect the most obvious AI fakes (e.g. Studio Gibli clones, or three handed people), so they share the most stupid stuff as it was real, while youngers seem have an instinct to detect AI but can't tell exactly why they know.

I can picture a cop fabricating images that are obvious, even with a watermark included, while totally convinced that it is undetectable.

Re: Police officer investigated for using AI to 'create evidence' in multiple cases

#147

Post by defrost »

testing22321 wrote: post #29
bobthepanda wrote: post #3

i do wonder, that in the age where we have image and video creation out of the bag, whether or not this will result in whole classes of evidence becoming completely unreliable.

I’m still shocked we have not seen an extremely convincing AI video of a famous person or world leader announcing something huge like UBI or WW3 or aliens. Surely it’s just a matter of time.

They're out there, recommending scam investments / crypto coins more often than major world events.

Meta, for one, is keen to bury such things and avoid responsibility for ad contents: https://www.abc.net.au/news/2026-04-17/andrew-forrest-battle...

Re: Police officer investigated for using AI to 'create evidence' in multiple cases

#148

Post by cwillu »

assimpleaspossi wrote: post #113
thatguy0900 wrote: post #80

Earlier quoted context omitted.

My girlfriends been having me watch law and order svu with her and to be honest it doesn't really even seem trustworthy with how they want to present it. The psychologist guy especially will come up with some wildly detailed assertions about who the criminal is based on nothing

Are we really going to go to a fictional TV show now?

“Lots of forensics is much more dubious than CSI would have you believe.” was what was being replied to.
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