DxDetective case

A Repeating Chirp Near the Bedroom Ceiling

Murtek ยท Fictional learning case

Source organizations: U.S. government.

Start case

Case overview

Devon Price wakes at 2:13 a.m. to a thin chirp near the hall ceiling. His daughter Maya says she heard the same sound the night before, but Devon slept through it. By breakfast, the house is quiet again. A timer could have gone off. So could something in a room neither of them has checked lately. Devon does not want to spend the morning chasing every noise in the house, but the sound was too precise to ignore. The next night, he waits with a notebook and asks Maya to point to where she heard it. Together, they start with the timing, the location, and what the household knows about that spot. The case begins with a small sound and a larger question: which fact will make the right next step clear?

Characters

  • Devon Price household resident
  • Maya Price family member
Difficulty
Intro
Estimated time
7 min
Rounds
1
Action options
6
Diagnostic options
3
Access
Free

Categories

household observation home context pattern reasoning

Skill focus

repeated observation device-context gathering communication judgment proportionate next action

Diagnostic option types

signal-timing checks device-context checks household-history questions