Mansion Key

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A mansion key was a piece of evidence in Gregory Edgeworth's investigation into the murder of Artie Frost. Owned by Samson Tangaroa, it was the only key able to unlock the various rooms in Tangaroa's mansion.

Frost's murder[]

Main articles: Turnabout Legacy & IS-7 Incident

Edgeworth added it to the court record after Detective Tyrell Badd explained it was one of the facts implicating Tangaroa as the culprit.

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Ace Attorney Investigations 2: Prosecutor's Gambit evidence
Turnabout Trigger	Prosecutor's Badge · Newspaper Clipping · Steel Samurai Balloon · Ms. Lloyd's Tape · Bullet Trajectory · Security Plan · Mr. Knight's Revolver · Kay's Photographs · Red Raincoat · Security Monitors · Bulletproof Attaché Case · Crime Scene Notes · Bulletproof Vest · Calling Card · Bloody Bullet

The Captive Turnabout	Prosecutor's Badge · Building Layout · Mr. Knight's Body · Pocket Chess Set · Rubber Glove · Rope · Bloodstained Sheet · Door Sensors · Prison Roll Call · Black Dog · Sahwit's Bracelet · Dog Chess Piece · Prison Search · Wiped Floor · Chess Diagram · Security Camera Footage · Missing Guard Uniform · Mr. Knight's Cell Key · Security Gates · Tunnel Prints · Autopsy Report · Chisel · Mr. Kanis's Bells · Mr. Saint's Trick · Breakers

Turnabout Legacy	Dec. 2000: Attorney's Badge · Seal · Crime Scene Notes · Mr. Tangaroa's Teapot · Contest Rules · Frame Finger Marks · Mansion Key · Salt Lamp · Fake Confections · Luminous Cloth · Chocolates · Instant Camera · Mr. Frost's Room · Ms. Scone's Statement · Semifinal Entries · Ultimate Cookbook · Victim's Blood · Family Photo Apr. 2019: Prosecutor's Badge · IS-7 Incident Case File · Gallery Pamphlet · Winter Wing Photo · Pisces Statue Sketch · Used Blowtorch · Luminous Cloth · Poison Gas Ingredients · Ultimate Cookbook · Frame Finger Marks · Salt Lamp · Family Photo · Teapot · Ceramic Fragment · Lift Cart · Larry's Sketches · Gemini Case Analysis Results · Chocolates · Statute of Limitations

A Turnabout Forsaken	Prosecutor's Badge · Yatagarasu Pin · Jammin' Ninja Mask · Letter · Promise Notebook · Ticket Stub · Magenta Flower · Bigg Building Pamphlet · Kay's Recollections · Candelabrum · Keycard · Autopsy Report · Keycard Record · Victim's Letter · Broken Plushie · Masks · Ringleader's Appearance · Ms. Hart's Picture · Ms. Hart's Statement · Elevator Blood · Clothes Box · Committee Chamber Blood · Red Raincoat · Nurse Niedler's Statement · IS-7 Incident Case File

Turnabout for the Ages	Yatagarasu Pin · Forged Letter · Bigg Building · Creature Feature Flyer · Movie Set Locks · President Wang's Autopsy Report · Monster Footprints · Taurusaurus Head · Taurusaurus Plushie · Behind-the-Scenes Photo · Security Camera Footage · Ms. Hart's Statement · Shaun's Rehearsal Tape · Blue Truck · Mechanic's Gloves · IS-7 Incident Case File · Report on Knight · Knight's Possessions · Bug · Ms. Lloyd's Tape · Bouquet · Sedative · SS-5 Incident Case File · Fire · Mr. Aldown's Autopsy Report · Mr. Aldown's Final Call · Bloody Button · Mr. Aldown's Photograph · Victim's Shoes · Mysterious Blood Stain · Child's Drawing · Correspondence Chess Diagram · Lion Hot Air Balloon