On TV, why do CSI use a flashlight and don't simply turn on the light?

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  • 1 decade ago
    Favorite Answer

    Cuz it makes them look cool and high tec, I think its funny when they get DNA results back in about 20mins when I the real world it takes the best part of a mnth

  • 1 decade ago

    wondered about it myself. finally asked an old detective. first he says "adds to the drama" then he said "because the human mind can so easily miss the mundane and obvious, the flashlight is used to focus on only one small part at a time. " example he gave me : look at your coffee table in the day/room light- you see the obvious, one or two nicks, water rings- now focus on one section at a time with a flashlight- you see where there are smaller scratches, perhaps the overlapping of rings, ect .

    anyway sorry for the long winded reason but wanted to make sure i wrote it out properly.

  • Anonymous
    1 decade ago

    1. To preserve the crime scene. You'll also notice if the light is left on at the scene of the crime, they never bother to turn it off either.

    2. Because a flashlight is a focussed beam of light, and forces you to focus on a small area at a time. It's easier to find things when you are forced to examine, then if the room is bright and your eyes tend to skim over things.

  • Anonymous
    1 decade ago

    Flashlights have a better chance of not diturbing a crime scene. In some situations turning on the lights might upset some sort of evidence....... I think.....

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  • 1 decade ago

    Probably because it makes it more dramatic. If they're in a room that has all the lights on, it's not as creepy as when there is only a tiny light and the rest of the room is dark.

  • 1 decade ago

    when using a flashlight to search a room. the light tends to make smaller items cast bigger shadows. therefor easyer to see than with the overhead lights on

  • 1 decade ago

    The flashlight locates objects by forcing the user to concentrate on what he is looking at, whereas having the lights on may cause one to overlook certain details.

    and...

    it looks cooler on camera!

  • 1 decade ago

    Because it works

    I lost an earring and looked for ever it seemed

    grabbed the flashlight and you would be surprised

    what all you can see when you are looking at that

    small illuminated space

  • Xeod
    Lv 5
    1 decade ago

    The light switch, lamps, etc. are all part of the crime scene and may have fingerprints or other valuable evidence on them. They don't want to touch things that they might contaminate.

  • 1 decade ago

    where is the 'drama' in that??? Too easy! Hey, have you ever noticed how they can solve a crime in 1 hr??? They should teach the local police something! ;)

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