
ChainCustody — Evidence Chain Mission Desk
ChainCustody is an immutable chain-of-custody management app for police evidence units, featuring unique IDs, QR labels, transfer seals, and encrypted local storage.
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About ChainCustody — Evidence Chain Mission Desk
ChainCustody — Evidence Chain Mission Desk is a specialized digital tool designed to bring bulletproof integrity to the chain-of-custody process for law enforcement and forensic teams. In high-stakes criminal investigations, every piece of evidence must be tracked from the moment it's collected to its presentation in court. ChainCustody replaces traditional paper logs with a secure, immutable digital ledger that ensures every handling, transfer, or seal is recorded with precision and cannot be altered retroactively.
The application provides a comprehensive command center where officers can register new evidence items, each assigned a unique identification number (ID) and a scannable QR label. These labels are crucial for quick identification and tracking throughout the evidence's lifecycle. The system supports multiple storage locations, from evidence rooms to forensic labs, and records every movement with timestamps and authorized signatures. Seals can be applied digitally, ensuring that any tampering attempt is immediately flagged, maintaining the integrity of the evidence.
ChainCustody is built with a focus on accessibility and security. It operates as a single-file HTML application, meaning it can be deployed on any local machine without internet connectivity, which is vital for sensitive operations. All data is stored in an encrypted IndexedDB within the browser, ensuring that evidence records are kept confidential and tamper-proof. The app also generates detailed PDF chain-of-custody reports, which are essential for legal proceedings, providing a clear and auditable trail.
Designed for police officers, forensic analysts, evidence custodians, and legal professionals, ChainCustody eliminates the risk of human error and deliberate falsification. It offers an immutable audit history, meaning once an action is recorded, it cannot be changed or deleted, creating a permanent record that stands up to scrutiny. With features like real-time dashboards, telemetry, and risk indicators, ChainCustody gives evidence units total visibility and control over their inventory.
Key features
- ✦ Unique evidence IDs with automatic generation
- ✦ QR label generation for easy tracking and scanning
- ✦ Encrypted IndexedDB local storage for data security
- ✦ Immutable audit history with timestamps and signatures
- ✦ Digital seals to prevent tampering
- ✦ Transfer management between storage locations and custodians
- ✦ PDF chain-of-custody report generation
- ✦ Real-time dashboard with telemetry and KPIs
- ✦ Offline functionality as a single-file HTML app
- ✦ No sign-up or user accounts required
Use cases
- → Registering evidence at crime scenes
- → Tracking evidence transfers to forensic labs
- → Managing long-term evidence storage in secure facilities
- → Ensuring chain of custody for court presentations
- → Monitoring evidence in quarantine for hazardous materials
- → Auditing evidence handling procedures for compliance
FAQ
How does ChainCustody ensure the immutability of evidence records?
ChainCustody uses a cryptographic hash chain to link each record to the previous one. Any attempt to alter a record would break the chain, making tampering immediately evident.
Can ChainCustody be used without internet access?
Yes, it is a fully offline application. All data is stored locally in the browser's IndexedDB, so you can use it in remote locations without connectivity.
Is ChainCustody suitable for agencies with limited technical expertise?
Absolutely. The interface is user-friendly and requires no technical skills. It runs in any modern browser, and data is automatically encrypted.
Does ChainCustody support barcode or QR scanning with hardware?
The app can generate QR labels that can be printed. For scanning, you can use any QR code reader app on a smartphone or a barcode scanner that inputs as keyboard.
Can I export data from ChainCustody to other systems?
Yes, you can export evidence data as JSON or generate PDF reports. This allows for integration with other case management systems.
Is there a limit to the number of evidence items I can store?
No, the storage capacity is limited only by the local device's memory. It can handle thousands of records without performance issues.
How often should I run an integrity audit?
It's recommended to run an audit daily or before any major case proceeding to ensure all records are intact and unaltered.