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Wiki Headlines 5th Feb: Echo Chamber Season 1 blooper reel on Youtube here 
main index Narrative
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I saw them do it on CSI. It has to work that way!
A particular form of Reality Is Unrealistic wherein a particular work is shaping the ways that crime is perpetrated, discovered, and prosecuted. It shows up in a number of ways:
The only way to prove anything in a criminal case beyond reasonable doubt is to use the most state-of-the-art, comprehensive analysis.No, this isn't literally true, but in some stories it is a Self-Fulfilling Prophecy. It was first reported in the news media in 2005. The Trope Namer is CSI: Crime Scene Investigation; it, its spinoffs, and its imitators have led juries to refuse to consider any evidence trustworthy except but the most comprehensive, and to equate its absence of same with reasonable doubt, even for the most trivial cases. Whether or not this is actually true, or that CSI caused this if it is, doesn't matter to us. It is what the trope is called, that's all. Collecting this super-evidence takes much less time In-Universe in CSI: Crime Scene Investigation-like stories than it does in Real Life because of time compression — both to make the show fit in an hour minus ads and to let a season take less than a few years In-Universe. In the show, DNA tests work in hours; in Real Life, it can take months. Unfortunately, jurors are frequently unaware of the time difference; getting evidence beyond a reasonable doubt by the CSI measure can conflict with giving the defendant a fair and speedy trial. And heaven help the prosecutor if the jury wants evidence of a kind that doesn't exist yet! At least one of the CSIs has had security camera footage rotated to see the back of something, for instance. See these stories from U.S News and World Report, USA Today and CBS News.
Criminals who are aware of crime scene analysis tend to take steps to throw off the analysis.These steps are relatively novel, such as picking up spent shell casings. Some criminals have deliberately planted DNA samples from other plausible suspects to derail any investigation.Civilians who are aware of crime scene analysis leave crime scenes alone or take steps to preserve the evidence.This helps make up for the second effect. One British kid, remembering something he'd seen in CSI: Miami, managed to preserve some evidence in a case — and got in the papers for it. This phenomenon predates CSI by quite a bit. For example, during the Manson murder case, a kid found a gun in a field. Having watched Dragnet, he knew to pick it up by the muzzle to preserve fingerprints. Unfortunately the cops didn't, and grabbed the gun by the handle, obliterating any fingerprints. A real life example of Adults are Useless. Some CSI labs have complained that more police officers call them to crime scenes and submit much more evidence to them. Yes, that's right; real-life CSI techs are complaining about being expected to help solve more crimes. This is because real life CSI labs these days tend to have a month or two of backlog before they take on new cases. Making them take relatively minor cases hurts more than it helps.Forensic reports from the prosecution are always considered true.This one, when it happens, severely annoys defense attorneys. This happens even though the science behind forensics is constantly evolving, and many labs are using methods no longer considered certain. One notorious case down in Texas involved a man who was convicted on the basis of his lip prints — a method of identification that hasn't been widely considered reliable for decades. Even worse, a man in Oklahoma spent almost two decades on death row for a crime that it was later proved he didn't commit. The primary evidence against him, aside from blatantly specious interrogation tactics? The shape of his hair follicles, a mode of identification that was proven useless in 1885, over a century before the murder took place.
. Of course, The Other Wiki itself is a focus of the dangerously strong CSI effect.
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