[[quoteright:350:http://static.tvtropes.org/pmwiki/pub/images/01d5adc0d4fcb3ffe4ba84a4c974d8cc_4594.jpg]]
[[caption-width-right:350:Are you the Killer's most worthy adversary?]]

Made by the creator of ''{{CSI}}'', ''Whodunnit?'' is a murder mystery RealityShow that premiered June 23, 2013 on {{ABC}}.

Thirteen contestants are invited to a cursed mansion called Rue Manor. Each week, at least one of them is "killed," and the others must solve the mystery while trying to figure out [[TheMole who among them is the Killer]]. After collecting evidence, the contestants stand one at a time in the library and reconstruct the murder as best they can. The person whose theory is farthest from the truth becomes the next victim.

The last contestant alive gets to unmask the Killer and wins $250,000.

The season one finale aired August 18, 2013. Season two has yet to be announced.

''For the {{Pinball}} game from Bally, [[Pinball/{{WHO Dunnit}} click here.]]''

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!!Examples:

* AmateurSleuth: Most of the contestants aren't homicide detectives in real life.
* AnnoyingLaugh: Lindsey without a doubt. [[spoiler:She hinted in her "post-death" interview that it's why the Killer put an arrow in her throat.]]
* ArtShift: The murder scenes are shot differently from the rest of the show.
* ArtisticLicense: Let's just say that liberties have been taken when it comes to how most murders worked, starting with more than one instance of a poison working faster than it does in real life and going from there.
* AsTheGoodBookSays: A riddle in the first episode refers to 2 Kings 13:17, a passage about "shoot through the east window" as a clue to the murder. (The contestants looked at Ezekiel 13:17 first because they missed the "2 Kings" part and that's what the Bible in the house was open to, but it didn't seem to mean anything.)
* AtLeastIAdmitIt: Part of Kam's MoralMyopia is his insistently calling the others 'lying backstabbers'; he makes no secret of only being out for himself, and claims the others are hypocrites for wanting to hedge their bets as much as possible.
* BackForTheFinale: The Killer "resurrected" their victims in the final episode to run the challenge tasks.
* BigRedButton: One with a bomb on it was on the remote the Killer used to blow a victim up.
* [[spoiler:BratsWithSlingshots]]: The first murder weapon.
* BreakThemByTalking: Melina, being [[spoiler:the last person outside of Kam's alliance still left alive]], turned into a complete {{Badass}} in the next-to-last episode by single-handedly deducing many of the details of [[spoiler: Ronnie's ]] murder, just by how well she knew the victim. She then went and confirmed her suspicions by telling the other alliance nearly every single piece of information they knew that she shouldn't, and stunning them into silence.
* BunnyEarsLawyer: Do NOT let Lindsey's AnnoyingLaugh and bubbly personality fool you, she's worked as a chemical engineer, [[spoiler: she knew Cris was the Killer the whole time, and she came within less than a minute of beating Cam and winning the whole thing]].
* TheButlerDidIt: "You don't think ''I'm'' the Killer, do you?" [[spoiler:He wasn't. His employment contract, which the players had to read to prove his innocence, stated [[ReadTheFinePrint he wasn't responsible for any murders in Rue Manor.]]]]
* CluelessDetective: The eventual winner proves to be one, as they never correctly identified the Killer at any point in the show - during the finale, they even named ''Giles'' as the Killer when prompted, as they'd missed Giles' instructions to ReadTheFinePrint of the contract they were to get. The win came mainly came from succeeding at primarily-physical challenges, not any kind of deduction. The finalist that ''did'' suspect the Killer correctly was killed off due to finishing the challenge last. It just goes to show how the show treated the identity of the Killer as essentially an afterthought.
* TheComicallySerious: Giles starts becoming this in the later episodes.
* CondensationClue: Left on a mirror in the victim's suite during the pilot episode.
* ConfessionCam: Including an...
** EliminationStatement: Due to the nature of the game, however, this is delayed to the end of the ''following'' episode, since the eliminated contestant might otherwise spoil how exactly they were killed. ([[spoiler:Adrianna]] even did her post-elim from up in the ''tree'' where she laid for the "morgue" scene.)
** [[spoiler: Ulysses']] statement was made while he was lying down on the improvised morgue table in the woods.
* ContractualGenreBlindness: The players get this when they've been eliminated and it's time for their death scenes.
** Glaring example: the third elimination. The player in question knows he's been marked for death, the others are begging him not to go off alone, but he blows them off and leaves anyway.
* CreatorCameo: The Killer's creepy, mechanical voice in the finale was done by the executive producer, Anthony E. Zuiker. He and fellow producer Cris Abrego -- not to be confused with the contestant named Cris -- also appeared as the cops who arrested the Killer.
* CriminalMindGames
* CruelAndUnusualDeath
* TheDanza: Giles is played by Gildart Jackson.
* ADeathInTheLimelight: Getting a lot of screentime can result in this.
* DoubleEntendre: At dinner after the sixth case, Giles tells the guests they're all gonna get "lei'd." They're having a luau.
* DisproportionateRetribution: According to their first note, the killer chose their first victim because she dropped a wine glass during the meet-and-greet.
* EliminatedFromTheRace: Players are judged by their ability to accurately determine how each murder took place; those who were furthest off the mark are in danger of being eliminated via becoming the next victim.
* EnforcedMethodActing: WordOfGod is that the contestant playing the Killer is not informed how the murders occurred and is trying to decipher the clues just like the other players.
* TheFaceless: The Killer -- until TheReveal, of course.
* FailedASpotCheck: Happens on occasion, such as when the players at the morgue missed the [[spoiler: wooden splinters in Ulysses' wound]].
** [[LampshadedTrope Lampshaded]] mercilessly after the seventh case, where the killer calls out the final five for missing a great deal of evidence and how it was unacceptable that late into the game, to the point where the idea of a second double murder may be on the table as a result.
* FairPlayWhodunnit: Somewhat. The audience is presented with all the clues the players find, but each individual player is denied a share of the clues and must share information with others to get what they're missing. And if players miss certain clues entirely (as is the case in some late episodes), not even the audience is informed of them until the murder is explained at the end of the episode.
* FallingChandelierOfDoom: One is dropped following the sixth case, [[spoiler:though it's not actually the murder weapon.]]
* FinalExamFinale
* GildedCage: Rue Manor. Not even the staff can leave its grounds -- Giles reveals to the survivors at the start of the second episode that he's got an ankle bracelet that prevents this.
* GoshDangItToHeck: Cris' CatchPhrase is, "Son of a biscuit!"
* AGodAmI: The Killer refers to the contestants as "mortals." Not a good sign.
* HopeSpot: At the third case's end, it seems the two potential targets are gonna see another day... [[spoiler:Then Don goes to cook his steak, and a mountain lion is released from a hidden passage...]]
** Following the sixth case, Giles announces that the Killer has told him that [[ExactWords nobody is going to die that night]]. Unfortunately for the victim, this was because the Killer intended to strike at 12:01 the next morning.
* HurricaneOfPuns: Giles and the Killer love to make puns based on the murder the players are investigating. For example, after [[spoiler:Dontae]] was killed by burning, the episode was filled with fire puns up to and including [[spoiler:"Dontae's inferno."]]
** [[spoiler:Ulysses]] was offed using [[spoiler:"finishing" nails]].
** As [[spoiler:Geno]] makes a toast, [[spoiler: he becomes "toast"]].
* HystericalWoman: Some of the contestants, particularly Melina and Dana, get ''really'' emotional during the Spared or Scared ceremonies. At times they appear to have forgotten that they are playing a game, and seem to actually think they're going to be murdered.
* IDidWhatIHadToDo: [[spoiler:Ronnie]] justifies his betrayal of [[spoiler:Geno, which ended in his death]] this way.
* ImNotHereToMakeFriends: Kam. Big time.
* ImprobableAimingSkills: {{Lampshaded}} in the first episode, when one of the contestants compliments the Killer in making a heck of a shot in their first murder: [[spoiler:yards away, through an open window, hitting square in the back of the neck, and with a slingshot]].
* ImpromptuTracheotomy: The final victim of season one took an arrow to the throat.
* ImprovisedWeapon: The murder weapon in the fifth case was [[spoiler: a simple 2x4 pulled from the floor of an abandoned hut with a pair of nails coated in poison nailed into it.]]
** One also would have been used for the "luau" death -- [[spoiler:two rings fastened onto the ends of a kukui nut necklace; in the Killer's own words, a homemade choking device]] -- but the intended victim went off track and forced the Killer to use an actual weapon. The Killer made sure to use it in a later murder for good measure.
* {{Jack of all Trades}}: the Killer in spades.
* {{Jerkass}}: Kam, particularly when he hopes that [[spoiler:Sasha]] is the next one murdered even when he isn't ''also'' Scared, meaning he just wants her gone for the hell of it. [[spoiler:His gloating after her demise just makes him look even worse.]]
** JerkassWithAHeartOfGold: As abrasive as Kam was, when he was approached by the opposing team to betray his own at [[spoiler: Ulysses and Lindsey's]] expense, he refused to keep information from them, which would later result in him being [[spoiler:scared instead of their primary target, Lindsey.]] [[spoiler:Also, when his closest ally, Ulysses, was nominated alongside him, he seemed genuinely saddened that Ulysses would have to be eliminated if he wanted to continue in the game.]] Kam was never willing to betray his team, leading to its members [[spoiler:being the final three contestants in the game.]]
* LargeHam: Giles. Melina also has her moments.
* TheJeeves: Giles the butler.
* LightsOffSomebodyDies: During the luau at the end of the sixth case. When the lights came back on, everyone saw that [[spoiler:Geno had been crushed by a [[FallingChandelierOfDoom chandelier]]]].
* ManHug: The winner and Giles in the season one finale.
* ManOnFire: How the first eliminated player "died".
* TheMole: The Killer is one of the contestants.
** DetectiveMole: It's assumed the Killer is sabotaging the investigation. Downplayed, however, as ''everyone'' is sabotaging someone else's investigation to avoid being the next victim.
* MoralMyopia:
** After a small alliance forms of four players who refuse to share any of their information with the others/blatantly lie about whatever they find, the rest decide to close ranks and return the favor. This leads to members of the first group complaining about the others shutting them out in the exact same way they treated them.
** Kam repeatedly talks about all of the people outside his alliance being 'lying backstabbers only out for themselves'... including immediately after he breaks a promise to help one of them, with no apparent sense of irony on his part.
** Though, to be fair, Ronnie refused to adhere to his end of the deal by deceiving [[spoiler: Geno]] and feeding him false information, when Kam told him to isolate [[spoiler: Geno]] and not reveal anything. This would've allowed Ronnie to rejoin [[spoiler: Geno]] if he figured out the riddle, whereas Kam wanted him to cut off all ties to [[spoiler: Geno]]
* MysteryFiction: Naturally.
* NoAnimalsWereHarmed: After the mountain lion incident, Giles makes a point to state that the lion was shot with only a tranquilizer dart and is unhurt.
** Likewise, the horseback murder makes a point of emphasizing that the horse was merely startled, and not physically harmed.
* NonindicativeName: Absolutely no focus was placed on figuring out the Killer's identity. Instead, it was all about how the murders were pulled off, making the mysteries "''How''dunnits". Lampshaded in the final episode by one of the contestants.
* ObfuscatingStupidity: Melina stated in a ConfessionCam that this is her plan: pretending to be a weaker player than she actually is in order to lure others off their guard.
* OminousPipeOrgan: Used to draw the players to the victims following the fifth case.
* OneSteveLimit: The name "Cris" tripped some fans up. Cris Crotz (female) was one of the contestants. Cris Abrego (male) is one of the executive producers; he made a [[CreatorCameo cameo appearance]] in the finale as one of the cops who arrested The Killer.
* PatronSaint: For bonus irony points, the Killer provided a medallion of Saint Agatha (patron of protection from flames) to the victim s/he intended to set on fire.
* PlotIrrelevantVillain: Having one of the guests be the killer was completely irrelevant. The killer could have been someone outside of the players without the story or gameplay going through any significant changes.
* ReadTheFinePrint: In the season finale. In the last part of the puzzle challenge, Giles told the players to read the fine print on his employment contract to prove whether or not he was the Killer. One player didn't listen to that part, but [[spoiler:he ended up winning anyway]].
* RealityTV
* RealityTVShowMansion: Rue Manor
* RedHerring: Naturally, these are all over the place. In most cases, the obvious cause of death is the wrong one.
* RhymesOnADime: In the finale, The Killer spoke to the winner in rhyme. Obviously, it's a habit.
* RubeGoldbergHatesYourGuts: The Killer's murders are elaborate to the point that one player eventually thought that using a ''trained monkey'' could be a plausible explanation. (For the record, it wasn't, and he was so far off base with the trained monkey idea that he was the next victim.)
* SelfDeprecation: In the description of [[spoiler:Adrianna]]'s death, Giles gets a mocking tone in his voice when he explains how she spent the night watching ''reality television''. Bonus points for it being ''Series/RockOfLove'', a show with the same production company as ''Whodunnit?'' (51 Minds)
* ShockingElimination: Many casual fans suspected [[spoiler:Ulysses]] to be the killer, but they were proven wrong in episode 4...
** Episode 5 follows it up at its conclusion, when the Killer kills not one, but TWO Scared contestants.
* ShoutOut: The "snakebite" victim was dressed like Franchise/IndianaJones in the finale for no real reason other than a reference to the infamous line "{{Why did it have to be snakes}}?"
* SpiritualSuccessor: To classic early 2000s reality shows like {{Series/The Mole}} and MurderInSmallTownX, although those programs played things much more straight compared to Whodunnit?
* TheStrategist: Kam seems to be the primary one from the first season, forming alliances and solving many clues. [[spoiler: It was one of the reasons he won.]]
* StuffBlowingUp: Early previews for the series particularly loved one shot of a fiery explosion. (This was later revealed to be [[spoiler:Adrianna's golf cart]].) We get another blast later on, as a victim is blown out of the hot tub. [[spoiler:This was later revealed to be Ronnie.]]
* SublimeRhyme: Most of the Killer's clues are rhymes. The finale is stuffed to the gills with them.
* TheSummation: Following each investigation, each player gets to make one of these in the Library outlining their version of events. At the conclusion, they name their strongest suspect.
* TemptingFate: When [[spoiler:Geno]] makes a pitch to Kam's team where they point out how they haven't been Scared yet, you just ''know'' they're asking for it.
* TenLittleMurderVictims: Pretty much the whole plot of this show.
* TitleDrop: "You have unmasked whodunnit." Giles then gives the winner a pair of golden handcuffs to arrest the Killer--coincidentally, "Golden Cuffs" was the name of the season finale.
* TonightSomeoneDies
* TooSoon: The night after the ManOnFire murder, Giles taunts the players by serving roast pig for dinner. He trollingly asks "Too soon?", which they agree it is.
* TookALevelInBadass: Melina, once [[spoiler:everyone else in her alliance was dead.]]
* ViewersAreMorons: Sadly, a TruthInTelevision example. Some people thought eliminated contestants really were being killed off; the EliminationStatement footage was added starting with the second episode to show that they were not actually dead.
* WhatTheHellHero: The killer mentions that one of the reasons that he killed [[spoiler:Geno]] is that, by stealing Giles cell phone in an attempt to be spared (due to a note left by the killer), he proved that he was an unworthy adversary.
* WhyDidItHaveToBeSnakes: Said word by word by Kam during the "snakebite" case.