PinnedAnnouncementWelcome to The Sleuth Collective
Welcome to The Sleuth Collective — Australia's collaborative cold case investigation platform. We're building something meaningful here, and we're glad you've found us.
This platform is in beta testing. Help us improve by reporting any issues or suggestions.
Join a passionate community of citizen investigators harnessing cutting-edge AI to pursue justice for Australia's unsolved cases. Your dedication to the truth belongs here.
Three simple steps to become part of Australia's largest cold case investigation community. No experience needed—just a passion for justice.
Browse our growing database of unsolved Australian cases spanning decades. Search by location, era, or case type. Every case has a family waiting for answers.
Build timelines, analyse evidence, and discuss theories with fellow investigators. Your fresh perspective could be the breakthrough a case needs.
Our AI scans for patterns humans miss—matching witness descriptions, finding timeline gaps, and connecting cases that may be linked. You investigate, AI amplifies.
Explore these unsolved cases and help bring answers to families who have waited years for justice.

Found hanging in bushland seven days after vanishing, police called it suicide — but a smashed phone, a missing SIM card, and a mother who refused to accept the lie have blown this case wide open.

A four-year-old vanishes from a remote sheep station — the investigation points chillingly close to home.

A devoted mother vanishes from a coastal paradise — her husband becomes the prime suspect in a decades-long mystery.

Murdered on a quiet suburban street, her case exposed a forensic scandal — the killer remains free.

Janine, 31, disappeared near the water in New South Wales — the search continues for answers.

A 27-year-old personal trainer vanished from a remote Queensland fishing spot during a boys' weekend, leaving behind only scattered belongings and a trail of unanswered questions that has haunted his family for over a year.

A Belgian backpacker vanished into the Byron Bay night—his phone tracked him through pitch-black bushland before going silent forever.

A mother vanishes without a trace, leaving behind a string of cryptic clues and a family convinced of foul play.

A pregnant mother vanishes from a quiet coastal town, leaving behind a web of secrets and a family desperate for answers.

A 12-year-old's brutal murder led to a wrongful conviction, and her real killer still walks free.
Fresh evidence and new leads in active investigations

A holiday in Perth turns fatal when a young man is found murdered in remote bushland.

Found hanging in bushland seven days after vanishing, police called it suicide — but a smashed phone, a missing SIM card, and a mother who refused to accept the lie have blown this case wide open.

A young singer's life was savagely cut short in the lift of her own building — forty-five years later, a million-dollar reward begs someone to finally break their silence.

Andrew, 52, left in a vehicle and disappeared into the unknown — New South Wales authorities are still searching.

Nelson, 47, left in a vehicle and disappeared into the unknown — New South Wales authorities are still searching.

Suat, 30, never made it home from New South Wales — and the questions remain unanswered.

Denny, 40, vanished from New South Wales under mysterious circumstances — his story demands answers.

Chingi, 22, vanished from New South Wales under mysterious circumstances — his story demands answers.

Shirley, 64, walked away from care and vanished — someone in South Australia knows something.

Joel, 43, vanished from New South Wales under mysterious circumstances — his story demands answers.
Insights, features, and community stories
PinnedAnnouncementWelcome to The Sleuth Collective — Australia's collaborative cold case investigation platform. We're building something meaningful here, and we're glad you've found us.
CommunityCold cases are solved when communities come together, pool their knowledge, and refuse to let the silence win. Discover how study groups, community events, and collaborative research on The Sleuth Collective are changing the way Australia approaches unsolved cases.
FeatureThe Investigation Desk is your personal command centre for cold case research — a digital workspace where evidence, timelines, and AI-powered insights come together in one place. Here's everything it can do and how to make the most of it.
Your personal evidence board. Build visual investigation maps, connect evidence with red string, and let AI help identify patterns you might have missed.
Freely arrange evidence, photos, and notes
Draw red string connections between items
Identify patterns and evidence gaps
Share boards with your study group
Navigate large investigation boards
Add notes and highlight key findings

Start free or unlock advanced investigation tools, AI-powered analysis, and collaboration features tailored to your investigative needs.
Forever free
Case Access
Investigation Tools
Discussion Forums
Community
Billed annually at A$99.90
Investigation Desk
AI Tools
Discussion Forums
Collaboration
Billed annually at A$199.90
Investigation Desk
AI Tools
Discussion Forums
Collaboration
Lifetime access
Investigation Desk
AI Tools
Discussion Forums
Exclusive
Cancel anytime. No hidden fees. No lock-in contracts.
See exactly what each membership tier includes. All tiers include access to our core community features.
| Feature | Community | Contributor | Analyst | Founding |
|---|---|---|---|---|
| Investigation Desk Access | — | Limited | Advanced | Advanced |
| Timeline Builder | Read-only | Basic | Advanced | Advanced |
| Relationship Mapping | — | — | ✓ | ✓ |
| Evidence Upload | — | 500 MB | 5 GB | 5 GB+ |
| AI Case Analysis | 3/month | Unlimited | Unlimited | Unlimited |
| Cross-Case Pattern Detection | — | — | ✓ | ✓ |
| AI Suspect Profiling | — | — | ✓ | ✓ |
| AI Investigation Reports | — | — | ✓ | ✓ |
| Read Discussion Forums | ✓ | ✓ | ✓ | ✓ |
| Post in Forums | Replies only | ✓ | ✓ | ✓ |
| Create Discussion Threads | — | ✓ | ✓ | ✓ |
| Private Discussion Rooms | — | — | ✓ | Unlimited |
| Study Groups | — | Up to 5 | Unlimited | Unlimited |
| Members per Group | — | 5 | 20 | Unlimited |
| Watchlist Cases | 10 | Unlimited | Unlimited | Unlimited |
| Lifetime Access | — | — | — | ✓ |
Note: All tiers include access to browse case files, submit tips and evidence, join discussions, and participate in the community. Prices shown in Australian dollars (A$).
Everything you need to know about the platform, AI tools, privacy, and membership.
The Sleuth Collective is Australia's collaborative cold case investigation platform. We combine community intelligence with AI-powered analysis tools to help citizen investigators explore unsolved Australian cases, submit tips and evidence, and work together to uncover new leads. Every member contributes to a shared mission: bringing answers to families and communities affected by unsolved cases.
Our AI analyses case timelines, documents, and evidence to detect patterns, identify gaps, and uncover connections across cases. It can spot details that might otherwise be missed—generating new leads and helping piece together evidence more efficiently. Features include AI case analysis, cross-case pattern detection, suspect profiling, and automated investigation reports, depending on your membership tier.
The Investigation Desk is your personal workspace for organising case research. You can save case notes, bookmark evidence, build timelines, and track your own theories—all in one place. Contributor members get limited access, while Analyst and Founding Member tiers unlock advanced features like relationship mapping and full evidence organisation tools.
Visit the Submit a Case page (also linked in the footer). Provide as much detail as possible—dates, locations, and any relevant sources. Our AI-assisted pipeline generates a structured draft, which is then reviewed by moderators before being published. All submissions must relate to unsolved Australian investigations.
If you discover significant evidence, our community moderators review it carefully. We strongly encourage you to report any credible leads directly to Crime Stoppers on 1800 333 000 or your local police, as The Sleuth Collective is a community collaboration platform and does not forward information to law enforcement on your behalf. You can also submit tips anonymously if you prefer.
Yes. We use industry-standard encryption to protect your data. All evidence submissions are stored securely, and we never share your personal information with third parties. You have full control over your contributions and can manage your privacy settings at any time.
Absolutely. You can contribute anonymously or use a pseudonym. Your real identity is never displayed publicly unless you explicitly choose to share it. We understand the sensitive nature of true crime investigations and fully respect your privacy.
Yes! The Community tier is completely free and includes access to all case files, the ability to submit tips and evidence, read and post in case discussion forums, create a watchlist of up to 10 cases, and perform 3 AI analyses per month. It's a great way to explore The Sleuth Collective with no commitment.
The main differences are:
The Founding Member tier (A$199 one-time payment) includes:
Yes — you have full flexibility. You can upgrade at any time and your new features activate immediately with prorated billing. Downgrades take effect at your next billing cycle. You can cancel anytime with no penalties or hidden fees; your access continues until the end of your current billing period. Founding Members have lifetime access and never need to cancel. Your data remains safe regardless of tier changes.
Still have questions? We're here to help.
Contact SupportBe part of Australia's founding community of citizen investigators using AI-powered tools to help solve cold cases and bring justice to families.
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