The Vanishing — case cover art
Case #H-203
Medium 75–90mFree Introductory Case

The Vanishing

A Missing Waitress, a CCTV Gap, and Three Conflicting Stories

“She clocked out at 11:47 PM. By midnight — gone.”

All Cases

The Crime

Maya Serrano finished her shift at the diner at 11:47 PM. Her tips were still in the locker. Her apron was folded on the counter. By midnight she was gone — and the only people who saw her leave can't agree on which direction she walked. The boyfriend says he was waiting in the parking lot. The motel clerk across the road says he saw nothing. The cook says Maya walked out alone. The motel's camera has a 23-minute gap that starts the moment it mattered. A small-town waitress savings-up-to-leave story, interrupted by three versions of the same walk to the parking lot. Every account is plausible. At most one is true.

The Setting

A roadside diner on a two-lane highway. Neon cutting through fog. A low-budget motel across the road with one ominously lit window. Rain-streaked glass, wet asphalt reflecting red and amber. The kind of place where someone could disappear between the door and the car and nobody would notice for hours. Noir in the Wanda Jackson / true-crime-podcast tradition — not cyberpunk, not cozy. Just American roadside dread at 11:48 PM.

Suspects & Persons of Interest

JM
Jace Monroesuspect
Boyfriend

Maya’s on-and-off boyfriend. Known for explosive arguments and sudden apologies. Claims he was waiting to pick her up — but his timeline keeps changing.

ER
Elias Rourkesuspect
Crescent Pines Motel Clerk

Night clerk at the motel two blocks behind the diner. Polite, observant, and always 'helpful.' Has access to the motel’s camera system, master keycards, and guest registry.

TK
Tessa Klinesuspect
Diner Cook (Last Coworker On Shift)

Closed the kitchen with Maya. Claims she saw Maya walk out alone. Recently asked the owner for overtime advances and has a record of small thefts at past jobs.

MS
Maya Serranomissing
Waitress (Missing)

Reliable, well-liked, and saving to leave town. Recently told a friend she felt like someone was 'watching her' on late nights.

What You'll Investigate

SignalPro

Audio forensics — isolate voices and sounds from the recovered 23-minute CCTV gap.

How this technique works →
MetaScan

Photo metadata — read GPS, timestamps, and device info from every image in evidence.

How this technique works →
TerminalV1

Command-line forensics — search recovered drives and log files for buried leads.

How this technique works →

How It Plays

Medium difficulty. 75–90 minutes. Recommended as your first DetectiveOS case — complex enough to matter, contained enough to finish in one evening. The investigation hinges on reconciling three eyewitness accounts against physical evidence and a gap in the motel's CCTV. You'll recover audio from the gap, extract photo metadata, and search filesystem logs. No prior cases required. This is the free introductory case — no credit card, no paywall.

Frequently Asked

Around 75 to 90 minutes. The case is designed to be completed in a single evening, though you can save and resume at any time.
Yes. The Vanishing is the free introductory case — no credit card required, no trial limits, no chapter locks. Create a free account and the full case is yours.
Medium. It is recommended as your first DetectiveOS case. Three suspects, an evidence tree with modest branching, and forensic tools that teach as you use them.
Three primary tools in this case: SignalPro for audio recovery, MetaScan for photo metadata, and TerminalV1 for searching filesystem logs.
No. All characters, events, and locations in The Vanishing are fictional. The investigative techniques, however, are modelled on real forensic practice.

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