History Main / TheKillerWasLeftHanded

16th Sep '16 1:53:31 AM PaulA
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* ''Death Watch'' by Creator/JohnDicksonCarr: An early clue establishes the killer was left handed. {{Lampshade|Hanging}}d / {{Subverted|Trope}}: [[spoiler: It was part of a frame up by the real killer, and the detective has a brief rant about left-handed / right-handed clues.]]

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* ''Death Watch'' ''Death-Watch'', a Literature/DrGideonFell novel by Creator/JohnDicksonCarr: An early clue establishes the killer was left handed. {{Lampshade|Hanging}}d / {{Subverted|Trope}}: [[spoiler: It [[spoiler:It was part of a frame up by the real killer, and the detective has a brief rant about left-handed / right-handed clues.]]
13th Sep '16 5:39:38 PM Gosicrystal
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You can determine many things about the way an injury was inflicted by studying the wound. You can determine the kind of weapon used, and what kind of motion it was making. In fiction, you can also tell the handedness of the wielder. For this to be relevant, the killer must turn out to be left-handed (which goes [[StealthPun hand-in-hand]] with ASinisterClue), or the killer's right-handedness must rule out a leftie suspect.

This can clear one person and convict another. Even though [[SuspectIsHatless one out of every ten people]] is left-handed (and even though it's perfectly possible to kill someone using your non-dominant hand), being left-handed is good enough to make you the prime suspect. This can be justified, though, if only one of the suspects is left-handed. For this reason, if it's discovered early on that TheKillerWasLeftHanded, you can bet that there will be at least two leftie suspects so as not to conclude the case too early.

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You can determine many things about the way an injury was inflicted by studying the wound. You can determine the kind of weapon used, and what kind of motion it was making. In fiction, you can also tell the handedness of the wielder. For this to be relevant, the killer must turn out to be left-handed (which goes [[StealthPun [[{{Pun}} hand-in-hand]] with ASinisterClue), or the killer's right-handedness must rule out a leftie suspect.

This can clear one person and convict another. Even though [[SuspectIsHatless one out of every ten people]] is left-handed (and even though it's perfectly possible to kill someone using your non-dominant hand), being left-handed is good enough to make you the prime suspect. This can be justified, though, if only one of the suspects is left-handed. For this reason, if it's discovered early on that TheKillerWasLeftHanded, the killer was left-handed, you can bet that there will be at least two leftie lefty suspects so as not to conclude the case too early.



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* Happens in case 4 of ''VisualNovel/PhoenixWrightAceAttorney'', since [[spoiler: the gun bears prints from the defendant's right hand, while the photograph shows the killer holding it in his left]]. The trope is then subverted in that Edgeworth actually brings this up in a later case in ''VisualNovel/AceAttorneyInvestigationsMilesEdgeworth''. Upon proving that [[spoiler:the culprit that hit him with a sword did so with their right hand, Kay says that Lance, the person who Edgeworth suspects did it, is left-handed. Edgeworth however says that he simply used his non-dominant hand on purpose to throw suspicion away from him, stating that swinging a simple prop sword is easy, no matter what hand you use]].
** In Case 1 of Justice For All, it is an InvertedTrope. The victim was left-handed, as evidenced by a baseball glove he was offered by the defendant, which is a plot point: the message written in the sand implicating her was written with his right hand ([[FridgeLogic although why Phoenix Wright didn't simply point out the most obvious fact that that he couldn't have written the message since the cause of death was a broken neck due to a fall is unclear...]])
* Subverted/Averted in ''VideoGame/{{Fahrenheit}}'', where you can learn during the autopsy that the killer was left handed, from the angle of the knife marks. However, this fact does not appear in the later scene where you must link evidence to connect the killer to Lucas.

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* Happens in ''Franchise/AceAttorney'':
** In
case 4 of ''VisualNovel/PhoenixWrightAceAttorney'', since [[spoiler: the first game, [[spoiler:the gun bears prints from the defendant's right hand, while the photograph shows the killer holding it in his left]]. left]].
** In Case 1 of ''Justice For All'', it is an InvertedTrope. The victim was left-handed, as evidenced by a baseball glove he was offered by the defendant, which is a plot point: the message written in the sand implicating her was written with his right hand.
** Happens twice and [[PlayingWithATrope in different ways]] in ''VisualNovel/AceAttorneyInvestigationsMilesEdgeworth'':
***
The trope is then subverted {{subverted|Trope}} in that Edgeworth actually brings this up in a later case in ''VisualNovel/AceAttorneyInvestigationsMilesEdgeworth''.3. Upon proving that [[spoiler:the culprit that hit him with a sword did so with their right hand, Kay says that Lance, the person who Edgeworth suspects did it, is left-handed. Edgeworth however says that he simply used his non-dominant hand on purpose to throw suspicion away from him, stating that swinging a simple prop sword is easy, no matter what hand you use]].
** In Case 1 of Justice For All, it is an InvertedTrope. *** Played straight in case 4. The victim gun was left-handed, as evidenced by a baseball glove he was offered by the defendant, which is a plot point: the message written in the sand implicating her was written used with his the right hand ([[FridgeLogic although why Phoenix Wright didn't simply point out hand, but the most obvious fact that that he couldn't have written the message since the cause of death person who held it was a broken neck due lefty, as demonstrated by another piece of evidence. This leads Edgeworth to a fall is unclear...]])
conclude that another individual had to fire the gun.
* Subverted/Averted in In ''VideoGame/{{Fahrenheit}}'', where you can learn during the autopsy that the killer was left handed, left-handed, from the angle of the knife marks. However, [[WhatHappenedToTheMouse this fact does not appear in the later scene where you must link evidence to connect the killer to Lucas.Lucas]].



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1st Sep '16 3:46:37 AM JackG
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* ''Manga/Golgo13''. An actress is pretending to be a client so Duke Togo can be captured on film committing an assassination. When Togo responds to her entreaties with his trademark stoicism she has to improvise, saying among other things that the mark had injured his left hand. When looking through his sniper scope however, Togo realises that the mark moves as if he's been using his right hand from birth, not someone who had to adapt in response to an injury.
1st Sep '16 3:44:40 AM JackG
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Added DiffLines:

3rd May '16 12:43:06 PM VanHohenheimOfXerxes
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Although it was once a common tool in detection (for example, several scholars believe that the search for UsefulNotes/JackTheRipper was stymied by the ultimately unfounded belief that The Killer Was Left-Handed), this trope is discredited in RealLife. "Non-secretor" status may be the next generation of this trope, although it's more commonly seen in novels. About ten percent of people do not have antigens in bodily fluids other than blood, so sweat, saliva, semen, etc., cannot be used for blood type comparison purposes.

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Although it was once a common tool in detection (for example, several scholars believe that the search for UsefulNotes/JackTheRipper was stymied by the ultimately unfounded belief that The Killer Was Left-Handed), this trope is discredited in RealLife. "Non-secretor" status may be the next generation of this trope, although it's more commonly seen in novels.novels than in other media like TV. About ten percent of people do not have antigens in bodily fluids other than blood, so sweat, saliva, semen, etc., cannot be used for blood type comparison purposes.
3rd May '16 12:42:34 PM VanHohenheimOfXerxes
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This can clear one person and convict another. Even though [[SuspectIsHatless one out of every ten people]] is left-handed (and even though murderers don't necessarily kill with their dominant hand), being left-handed is good enough to make you the prime suspect. This can be justified, though, if there's only one leftie among the suspects. For this reason, if it's discovered early on that TheKillerWasLeftHanded, you can bet that there will be at least two left-handed suspects so as not to conclude the case too early.

to:

This can clear one person and convict another. Even though [[SuspectIsHatless one out of every ten people]] is left-handed (and even though murderers don't necessarily it's perfectly possible to kill with their dominant someone using your non-dominant hand), being left-handed is good enough to make you the prime suspect. This can be justified, though, if there's only one leftie among of the suspects. suspects is left-handed. For this reason, if it's discovered early on that TheKillerWasLeftHanded, you can bet that there will be at least two left-handed leftie suspects so as not to conclude the case too early.
3rd May '16 12:41:09 PM VanHohenheimOfXerxes
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You can determine many things about the way an injury was inflicted by studying the wound. You can determine the kind of weapon used, and what kind of motion it was making.

In TV, you can also tell the handedness of the wielder. For this to be relevant, the killer must turn out to be left-handed (or the killer's right-handedness will rule out a leftie suspect).

This can clear one suspect, and convict another. But, of course, if the determination comes early in the show, you can bet that there will be at least two lefties connected to the case.

In any case, even though [[SuspectIsHatless one out of every ten people]] is left-handed, being left-handed is good enough to make you the prime suspect. And as any rightie can tell you, sometimes you just use the other hand for killing people.

This trope is discredited in RealLife, though it was once a common tool in detection. Several scholars believe that the search for UsefulNotes/JackTheRipper was stymied by the ultimately unfounded belief that The Killer Was Left-Handed.

"Non-secretor" status may be the next generation of this trope. About 10% of people do not have antigens in bodily fluids other than blood, so sweat, saliva, semen, etc., cannot be used for blood type comparison purposes. This particular variation is currently rare on TV, though it is more common in novels.

A subtrope of ASinisterClue.

to:

You can determine many things about the way an injury was inflicted by studying the wound. You can determine the kind of weapon used, and what kind of motion it was making.

making. In TV, fiction, you can also tell the handedness of the wielder. For this to be relevant, the killer must turn out to be left-handed (or (which goes [[StealthPun hand-in-hand]] with ASinisterClue), or the killer's right-handedness will must rule out a leftie suspect).

suspect.

This can clear one suspect, person and convict another. But, of course, if the determination comes early in the show, you can bet that there will be at least two lefties connected to the case.

In any case, even
Even though [[SuspectIsHatless one out of every ten people]] is left-handed, left-handed (and even though murderers don't necessarily kill with their dominant hand), being left-handed is good enough to make you the prime suspect. And as any rightie can tell you, sometimes you just use the other hand for killing people.

This trope is discredited in RealLife, though can be justified, though, if there's only one leftie among the suspects. For this reason, if it's discovered early on that TheKillerWasLeftHanded, you can bet that there will be at least two left-handed suspects so as not to conclude the case too early.

Although
it was once a common tool in detection. Several detection (for example, several scholars believe that the search for UsefulNotes/JackTheRipper was stymied by the ultimately unfounded belief that The Killer Was Left-Handed.

Left-Handed), this trope is discredited in RealLife. "Non-secretor" status may be the next generation of this trope. trope, although it's more commonly seen in novels. About 10% ten percent of people do not have antigens in bodily fluids other than blood, so sweat, saliva, semen, etc., cannot be used for blood type comparison purposes. This particular variation is currently rare on TV, though it is more common in novels.\n\nA subtrope of ASinisterClue.\n
3rd May '16 12:30:59 PM VanHohenheimOfXerxes
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In any case, even though [[SuspectIsHatless about a tenth of the human beings on Earth]] are left-handed, being left-handed is good enough to make you the prime suspect. And as any rightie can tell you, sometimes you just use the other hand for killing people.

to:

In any case, even though [[SuspectIsHatless about a tenth one out of the human beings on Earth]] are every ten people]] is left-handed, being left-handed is good enough to make you the prime suspect. And as any rightie can tell you, sometimes you just use the other hand for killing people.



* ''Literature/ToKillAMockingbird'' used this trope in the court-room scene. It made a lot more sense in this case, as the accused's left hand was badly mangled in a childhood accident and he couldn't use it. The actual strategy used was a little more complicated. The accuser said that she was held down and beaten, at the same time; something not possible when the alleged assailant only has one properly functioning arm. The main invocation of the trope, though, comes when the accuser has bruises on her right eye - it would be very hard for the accused to hit her on that side of her face when his functioning arm is on his right. (The accuser said that they were facing each other on the ground.) Unfortunately, despite the fact that this was overwhelming evidence that the accused was innocent, he was still convicted, [[DeliberateValuesDissonance because he was black.]]

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* ''Literature/ToKillAMockingbird'' used this trope in the court-room scene. It made a lot more sense in this case, as the accused's left hand was badly mangled in a childhood accident and he couldn't use it. The actual strategy used was a little more complicated. The accuser said that she was held down and beaten, at the same time; something not possible when the alleged assailant only has one properly functioning arm. The main invocation of the trope, though, comes when the accuser has bruises on her right eye - it would be very hard for the accused to hit her on that side of her face when his functioning arm is on his right. (The accuser said that they were facing each other on the ground.) Unfortunately, despite the fact that this was overwhelming evidence that the accused was innocent, he was still convicted, convicted [[DeliberateValuesDissonance because he was black.]]black]].
30th Apr '16 9:51:43 AM mhnospa
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* ''CSI: Miami'' had an episode where one of the detectives inspects a hanging corpse and deduces that it must have been murder within seconds: "He is wearing a watch on his right wrist, which means has must be left handed, but the noose was tied with a right-handed knot". This has a couple of problems. First, not everyone wears their watch on the side that they are supposed to, and second, tying a noose is a complicated action needing both hands, and it would be unlikely that someone had worked out a "usual" way to do it.
27th Oct '15 12:29:10 PM FF32
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* Subverted/Averted in ''{{Fahrenheit}}'', where you can learn during the autopsy that the killer was left handed, from the angle of the knife marks. However, this fact does not appear in the later scene where you must link evidence to connect the killer to Lucas.

to:

* Subverted/Averted in ''{{Fahrenheit}}'', ''VideoGame/{{Fahrenheit}}'', where you can learn during the autopsy that the killer was left handed, from the angle of the knife marks. However, this fact does not appear in the later scene where you must link evidence to connect the killer to Lucas.
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