Trick or Treat

Trick or Treat is a case featured in Criminal Case as the forty-first case of The Conspiracy (Season 5) and the two-hundred seventy-second case overall. It takes place in the University district of Grimsborough.

Victim

 * Gregory Lynn (found slashed from shoulder to hip)

Murder Weapon

 * Scythe

Killer

 * Adrian Lynn

Killer's Profile

 * The killer uses a spirit board.
 * The killer has watched A Wind-Up Satsuma.
 * The killer drinks Corpse Revivers.

Chapter 1

 * Investigate Halloween Party. (Clues: Metal Pieces, Faded Keychain, Victim's Body; Victim identified: Gregory Lynn)
 * Examine Metal Pieces. (Result: Neighborhood Watch Sign; New Suspect: Kevin Charles)
 * Talk to Kevin Charles about the murder. (Prerequisite: Neighborhood Watch Sign restored)
 * Examine Faded Keychain. (Result: Polly's Name; New Suspect: Polly O'Brien)
 * Talk to Polly O'Brien about the victim. (Prerequisite: Polly's Name unraveled; New Crime Scene Unlocked: Victim's Bedroom)
 * Investigate Victim's Bedroom. (Prerequisite: Polly interrogated; Clues: Locked Laptop, Box of CDs)
 * Examine Locked Laptop. (Result: Victim's Laptop)
 * Analyze Victim's Laptop. (03:00:00; Attribute: The killer has watched A Wind-Up Satsuma)
 * Examine Box of CDs. (Result: Photo [Mystery Man])
 * Examine Mystery Man. (New Suspect: Adrian Lynn)
 * Speak to Adrian Lynn about his brother's murder. (Prerequisite: Adrian Lynn identified)
 * Autopsy Victim's Body. (18:00:00; Attribute: The killer uses a spirit board)
 * Go to Chapter 2. (1 star)

Chapter 2

 * Investigate Costume Shop. (Available after unlocking Chapter 2; Clue: Security Camera; New Suspect: Lily Chen)
 * Examine Security Camera. (Result: Unlocked Camera)
 * Analyze Unlocked Camera. (06:00:00)
 * Ask Polly about her fight with the victim. (Prerequisite: Unlocked Camera analyzed; New Crime Scene Unlocked: Victim's Bed; Profile updated: Polly has watched A Wind-Up Satsuma)
 * Investigate Victim's Bed. (Prerequisite: Polly interrogated; Clues: Coffin, Note to Victim, Bowl of Candy)
 * Examine Coffin. (Result: Unlocked Coffin; New Suspect: Azeeb Patel)
 * Ask Azeeb Patel what he was doing in the coffin. (Prerequisite: Unlocked Coffin deciphered; Profile updated: Azeeb uses a spirit board and has watched A Wind-Up Satsuma)
 * Examine Note to Victim. (Result: Beige Particles)
 * Examine Beige Particles. (Result: Porridge Oats)
 * Question Kevin about the note to the victim. (Prerequisite: Porridge Oats identified under microscope; Profile updated: Kevin has watched A Wind-Up Satsuma)
 * Examine Bowl of Candy. (Result: Strange Stone)
 * Analyze Strange Stone. (06:00:00; Attribute: The killer drinks Corpse Revivers; Profile updated: Adrian drinks Corpse Revivers)
 * Question Lily Chen about running away from the crime scene. (Prerequisite: Costume Shop investigated; Profiles updated: Lily uses a spirit board, Polly uses a spirit board)
 * Go to Chapter 3. (1 star)

Chapter 3

 * Investigate Halloween Display. (Available after unlocking Chapter 3; Clues: Locked Phone, Book of Magic, Torn T-shirt)
 * Examine Locked Phone. (Result: Victim's Phone)
 * Analyze Victim's Phone. (09:00:00)
 * Ask Adrian about the angry texts from the victim. (Prerequisite: Victim's Phone analyzed; Profile updated: Adrian uses a spirit board and has watched A Wind-Up Satsuma)
 * Examine Book of Magic. (Result: Death Hex)
 * Confront Lily about the death hex she put on the victim. (Prerequisite: Death Hex unraveled; Profiles updated: Lily drinks Corpse Revivers, Polly drinks Corpse Revivers)
 * Examine Torn T-shirt. (Result: T-shirt)
 * Ask Azeeb about the insulting t-shirt. (Prerequisite: T-shirt restored; Profile updated: Azeeb drinks Corpse Revivers)
 * Investigate Front Yard. (All tasks before must be done first; Clues: Halloween Decorations, Bloody Scythe; Murder Weapon registered: Scythe)
 * Examine Halloween Decorations. (Result: Broken Necklace)
 * Analyze Broken Necklace. (09:00:00; Attribute: The killer has blue eyes)
 * Examine Bloody Scythe. (Result: Blood)
 * Analyze Blood. (15:00:00; Attribute: The killer wears glitter)
 * Take care of the killer now!
 * Go to Original Sin (5/6). (No stars)

Original Sin (5/6)

 * Move on to a new crime.

Trivia

 * The case title is taken from "trick or treat", a Halloween custom where children go door to door to ask for treats or gifts, threatening the homeowners with pranks if not given the gift.
 * This is one of eight cases in The Conspiracy thus far in which the victim and the killer are relatives, along with Gone Pear-Shaped, Game Over, I Lost My Heart in Xerda, Behind These Walls, Blood in the Water, Up in Flames and Pain in the Neck.
 * A Wind-Up Satsuma is a parody of A Clockwork Orange.
 * In Chapter 2, while searching the bowl of candy, wrapped candy labeled "Rochester" can be found in the bowl. This is a reference to Rochester Chocolates from Mysteries of the Past.