History Main / LockedRoomMystery

15th Apr '16 12:40:18 PM sorako
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* In ''LightNovel/RokkaNoYuusha'', the main cast is within a forest when [[ClosedCircle they become trapped there by a magical barrier covering the area.]] The door to the barrier activation room is sealed shut at first; the barrier goes up shortly after the seal is broken by the main character, and he then enters to find the room empty and the activation key already in place.

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* In ''LightNovel/RokkaNoYuusha'', ''LightNovel/RokkaBravesOfTheSixFlowers'', the main cast is within a forest when [[ClosedCircle they become trapped there by a magical barrier covering the area.]] The door to the barrier activation room is sealed shut at first; the barrier goes up shortly after the seal is broken by the main character, and he then enters to find the room empty and the activation key already in place.
12th Apr '16 3:17:40 PM foxley
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* ''Literature/BenSnow'': In "The Phantom Stallion", an invalid confined to a bed is murdered inside a room with the door latched and the window locked. [[spoiler:The killer used a chip of ice to hold the latch open as they closed the door. When the ice melted, the latch fell into place.]]
2nd Apr '16 3:35:55 AM Morgenthaler
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* The Sixties revival of ''{{Dragnet}}'' had a locked-room mystery in "The Bullet." A shooting victim was found dead in a room where the only door and window were locked, and a chair was blocking the door. Suicide was suspected, but the bullet that killed him was a different caliber than the gun found near the body. Turns out [[spoiler:the killer shot the vic ''outside'' the room, and the vic then went in, locked it up, and died.]]

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* The Sixties revival of ''{{Dragnet}}'' ''Series/{{Dragnet}}'' had a locked-room mystery in "The Bullet." A shooting victim was found dead in a room where the only door and window were locked, and a chair was blocking the door. Suicide was suspected, but the bullet that killed him was a different caliber than the gun found near the body. Turns out [[spoiler:the killer shot the vic ''outside'' the room, and the vic then went in, locked it up, and died.]]
17th Mar '16 5:46:54 PM rjd1922
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** ''[[VisualNovel/PhoenixWrightAceAtttorneyDualDestinies Dual Destinies]]'' features a locked room in case two. There were two keys to the room, one of which was found in the locked room itself after the murder by police, and another was taken by a witness when she unlocked the door and found the scene. The defendant was found unconscious in the room, after it was unlocked. Therefore it was impossible for a third person to get out the room after they killed the victim, otherwise the door wouldn't be locked like it was. It turns out that [[spoiler:the real killer killed the victim, and placed the unconscious defendant inside another room, which was thought to be unopenable by anyone other than the victim. Then, he disguised himself as the defendant using a wrestling mask, which the witness could not take off, as per masked wrestling protocol. Finally, after the witness left, he opened the second locked room, retrieved the defendant, disposed of the mask, and then left the room.]]
* {{Invoked|Trope}} repeatedly in ''VisualNovel/UminekoWhenTheyTry'', where it forms the core of the argument that the culprit must be the Golden Witch Beatrice instead of a human. But [[{{Troll}} Beatrice]] is [[ShownTheirWork knowledgeable about the classics]] and doesn't stop here: she will abundantly shower the hero (and the reader) with [[LanguageOfTruth red truths]] showing the perfection of the closed room and thoroughly wipe out any theory Battler may attempt. And on top of that, showing him (and the reader) fantasy scenes full of demons, magical barriers and {{Laser Blade}}s. [[http://www.youtube.com/watch?v=bnH9Gbw4ybk All while laughing.]] [[spoiler:Of course, the point of the game is to not be fooled and [[DoingInTheWizard find non-magic explanations.]]]] Bonus points for the first twilight of the third game: six people are found dead in six separate closed rooms, each victim having the key to the next room near their corpse.

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** ''[[VisualNovel/PhoenixWrightAceAtttorneyDualDestinies ''[[VisualNovel/PhoenixWrightAceAttorneyDualDestinies Dual Destinies]]'' features a locked room in case two. There were two keys to the room, one of which was found in the locked room itself after the murder by police, and another was taken by a witness when she unlocked the door and found the scene. The defendant was found unconscious in the room, after it was unlocked. Therefore it was impossible for a third person to get out the room after they killed the victim, otherwise the door wouldn't be locked like it was. It turns out that [[spoiler:the real killer killed the victim, and placed the unconscious defendant inside another room, which was thought to be unopenable by anyone other than the victim. Then, he disguised himself as the defendant using a wrestling mask, which the witness could not take off, as per masked wrestling protocol. Finally, after the witness left, he opened the second locked room, retrieved the defendant, disposed of the mask, and then left the room.]]
* {{Invoked|Trope}} repeatedly in ''VisualNovel/UminekoWhenTheyTry'', ''VisualNovel/UminekoWhenTheyCry'', where it forms the core of the argument that the culprit must be the Golden Witch Beatrice instead of a human. But [[{{Troll}} Beatrice]] is [[ShownTheirWork knowledgeable about the classics]] and doesn't stop here: she will abundantly shower the hero (and the reader) with [[LanguageOfTruth red truths]] showing the perfection of the closed room and thoroughly wipe out any theory Battler may attempt. And on top of that, showing him (and the reader) fantasy scenes full of demons, magical barriers and {{Laser Blade}}s. [[http://www.youtube.com/watch?v=bnH9Gbw4ybk All while laughing.]] [[spoiler:Of course, the point of the game is to not be fooled and [[DoingInTheWizard find non-magic explanations.]]]] Bonus points for the first twilight of the third game: six people are found dead in six separate closed rooms, each victim having the key to the next room near their corpse.
17th Mar '16 5:46:26 PM rjd1922
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** ''Dual Destinies'' features a locked room in case two. There were two keys to the room, one of which was found in the locked room itself after the murder by police, and another was taken by a witness when she unlocked the door and found the scene. The defendant was found unconscious in the room, after it was unlocked. Therefore it was impossible for a third person to get out the room after they killed the victim, otherwise the door wouldn't be locked like it was. It turns out that [[spoiler:the real killer killed the victim, and placed the unconscious defendant inside another room, which was thought to be unopenable by anyone other than the victim. Then, he disguised himself as the defendant using a wrestling mask, which the witness could not take off, as per masked wrestling protocol. Finally, after the witness left, he opened the second locked room, retrieved the defendant, disposed of the mask, and then left the room.]]

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** ''Dual Destinies'' ''[[VisualNovel/PhoenixWrightAceAtttorneyDualDestinies Dual Destinies]]'' features a locked room in case two. There were two keys to the room, one of which was found in the locked room itself after the murder by police, and another was taken by a witness when she unlocked the door and found the scene. The defendant was found unconscious in the room, after it was unlocked. Therefore it was impossible for a third person to get out the room after they killed the victim, otherwise the door wouldn't be locked like it was. It turns out that [[spoiler:the real killer killed the victim, and placed the unconscious defendant inside another room, which was thought to be unopenable by anyone other than the victim. Then, he disguised himself as the defendant using a wrestling mask, which the witness could not take off, as per masked wrestling protocol. Finally, after the witness left, he opened the second locked room, retrieved the defendant, disposed of the mask, and then left the room.]]
17th Mar '16 5:43:25 PM rjd1922
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* The fourth murder of VisualNovel/{{Danganronpa}} is presented as one of these, with the victim alone in a room with the door jammed shut to the point that Naegi had to break open a window on the door to get it open. [[spoiler: Eventually subverted in that there is no murderer. The victim committed suicide.]]

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* The fourth murder of VisualNovel/{{Danganronpa}} ''VisualNovel/{{Danganronpa}}'' is presented as one of these, with the victim alone in a room with the door jammed shut to the point that Naegi had to break open a window on the door to get it open. [[spoiler: Eventually subverted in that there is no murderer. The victim committed suicide.]]
17th Mar '16 5:43:03 PM rjd1922
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* ''Franchise/AceAttorney'' has a number of such cases, where the usual pattern is that a case ''seems'' straightforward to the police and the prosecutor ''because'' of the locked room, up until the protagonist finds some evidence suggesting otherwise (eg, the victim being killed somewhere else, or the killer finding some way of smuggling themselves in or out of the room), usually before the end of the first day of the trial.
** The second game has a case where your assistant is locked in an empty room with the victim, a gunshot is heard, and the door is opened to reveal her standing over the corpse with a smoking gun in her hand. Naturally, [[CourtroomAntic it now falls on you to prove her innocent in court]].
** Another case involves a man found dead in the middle of a snow-covered courtyard with only one set of footprints leading to the body... and an eyewitness who saw the killer leave the murder scene by ''flying over the rooftops''.
** And in ''Ace Attorney Investigations'' we get [[spoiler: a double murder]] that comes this way.
** In ''VisualNovel/ApolloJusticeAceAttorney'' there's a case where the killer has to have escaped from the room in the few seconds after Apollo and Ema heard the gunshots.
** "Bridge to the Turnabout" as well, due to the crime scene being seemingly cut off from everyone else by a now BrokenBridge.
** ''Dual Destinies'' features a locked room in case two. There were two keys to the room, one of which was found in the locked room itself after the murder by police, and another was taken by a witness when she unlocked the door and found the scene. The defendant was found unconscious in the room, after it was unlocked. Therefore it was impossible for a third person to get out the room after they killed the victim, otherwise the door wouldn't be locked like it was. It turns out that [[spoiler:the real killer killed the victim, and placed the unconcious defendant inside another room, which was thought to be unopenable by anyone other than the victim. Then, he disguised himself as the defendant using a wrestling mask, which the witness could not take off, as per masked wrestling protocol. Finally, after the witness left, he opened the second locked room, retrieved the defendant, disposed of the mask, and then left the room.]]



* {{Invoked|Trope}} repeatedly in ''UminekoNoNakuKoroNi'', where it forms the core of the argument that the culprit must be the Golden Witch Beatrice instead of a human. But [[{{Troll}} Beatrice]] is [[ShownTheirWork knowledgeable about the classics]] and doesn't stop here: she will abundantly shower the hero (and the reader) with [[LanguageOfTruth red truths]] showing the perfection of the closed room and thoroughly wipe out any theory Battler may attempt. And on top of that, showing him (and the reader) fantasy scenes full of demons, magical barriers and {{Laser Blade}}s. [[http://www.youtube.com/watch?v=bnH9Gbw4ybk All while laughing.]] [[spoiler:Of course, the point of the game is to not be fooled and [[DoingInTheWizard find non-magic explanations.]]]] Bonus points for the first twilight of the third game: six people are found dead in six separate closed rooms, each victim having the key to the next room near their corpse.

to:

* ''Franchise/AceAttorney'' has a number of such cases, where the usual pattern is that a case ''seems'' straightforward to the police and the prosecutor ''because'' of the locked room, up until the protagonist finds some evidence suggesting otherwise (eg, the victim being killed somewhere else, or the killer finding some way of smuggling themselves in or out of the room), usually before the end of the first day of the trial.
** The second game has a case where your assistant is locked in an empty room with the victim, a gunshot is heard, and the door is opened to reveal her standing over the corpse with a smoking gun in her hand. Naturally, [[CourtroomAntic it now falls on you to prove her innocent in court]].
** Another case involves a man found dead in the middle of a snow-covered courtyard with only one set of footprints leading to the body... and an eyewitness who saw the killer leave the murder scene by ''flying over the rooftops''.
** And in ''VisualNovel/AceAttorneyInvestigationsMilesEdgeworth'' we get [[spoiler: a double murder]] that comes this way.
** In ''VisualNovel/ApolloJusticeAceAttorney'' there's a case where the killer has to have escaped from the room in the few seconds after Apollo and Ema heard the gunshots.
** "Bridge to the Turnabout" as well, due to the crime scene being seemingly cut off from everyone else by a now BrokenBridge.
** ''Dual Destinies'' features a locked room in case two. There were two keys to the room, one of which was found in the locked room itself after the murder by police, and another was taken by a witness when she unlocked the door and found the scene. The defendant was found unconscious in the room, after it was unlocked. Therefore it was impossible for a third person to get out the room after they killed the victim, otherwise the door wouldn't be locked like it was. It turns out that [[spoiler:the real killer killed the victim, and placed the unconscious defendant inside another room, which was thought to be unopenable by anyone other than the victim. Then, he disguised himself as the defendant using a wrestling mask, which the witness could not take off, as per masked wrestling protocol. Finally, after the witness left, he opened the second locked room, retrieved the defendant, disposed of the mask, and then left the room.]]
* {{Invoked|Trope}} repeatedly in ''UminekoNoNakuKoroNi'', ''VisualNovel/UminekoWhenTheyTry'', where it forms the core of the argument that the culprit must be the Golden Witch Beatrice instead of a human. But [[{{Troll}} Beatrice]] is [[ShownTheirWork knowledgeable about the classics]] and doesn't stop here: she will abundantly shower the hero (and the reader) with [[LanguageOfTruth red truths]] showing the perfection of the closed room and thoroughly wipe out any theory Battler may attempt. And on top of that, showing him (and the reader) fantasy scenes full of demons, magical barriers and {{Laser Blade}}s. [[http://www.youtube.com/watch?v=bnH9Gbw4ybk All while laughing.]] [[spoiler:Of course, the point of the game is to not be fooled and [[DoingInTheWizard find non-magic explanations.]]]] Bonus points for the first twilight of the third game: six people are found dead in six separate closed rooms, each victim having the key to the next room near their corpse.
11th Mar '16 2:43:08 PM 69BookWorM69
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** In "Houdini Whodunnit", a bank guard is found dead inside a vault secured by a time lock. oh, and the vault has been robbed of a large amount of money too.
11th Mar '16 1:14:26 PM 69BookWorM69
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** In "The Black Hand", a man is shot to death on a streetcar. The severity of the wound and the lack of a blood trail mean he couldn't have been shot anywhere else, but no one heard the shot.
11th Mar '16 12:59:22 PM 69BookWorM69
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* These occasionally turn up in ''Series/MurdochMysteries'':
** In "The Annoying Red Planet", Detective Murdoch asks Constable Crabtree why he was summoned to a scene where a man's body is hanging high in a tree. Crabtree draws Murdoch's attention to the lack of ''any'' footprints on the plowed earth for some twenty feet or so from the tree.
** In "Big Murderer on Campus", a university professor is shot to death through a window, but the quadrangle where the shot came from was full of milling students at the time and no one saw a shooter.
** In "Blood and Circuses", Station 4 has the entire surviving troupe of circus performers staying in the locked cells while the murder of the lion tamer is being investigated. One member of the troupe has a cell to himself and is stabbed to death in the night, and the weapon is nowhere to be found.
** In "The Tesla Effect", a man is found dead inside a room with the door jammed shut with a chair. There's no obvious weapon, and aside from some curious blistering, no clearly fatal wounds. His body is later found to have been, as Dr. Ogden incredulously describes it, "cooked from the inside".
** In "Invention Convention", an inventor is shot in the head while accepting an award. The shot came from an impossibly high angle, and there were a dozen or more witnesses who saw no shooter.
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http://tvtropes.org/pmwiki/article_history.php?article=Main.LockedRoomMystery