The U.S. Department of Justice, the MTSU Forensic Institute for Research and Education (FIRE) partnered with WillowTree Apps to create CASE, the crime scene checklist app for first responders.


Crime scenes become less pristine with each passing second. It’s up to first responders to gather evidence at risk of being lost or altered as soon as they arrive. MTSU & DOJ selected WillowTree to create a mobile solution that would systematically guide first responders through chaotic crime scenes, and give them the ability to document evidence swiftly.

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The Solution

In collaboration with leading crime scene investigators from across the country, WillowTree Apps designed and developed CASE for iPhone. CASE gives first responders all the tools they need to successfully document crime scenes as soon as they arrive. Text, photography, video, and audio recording are available within the app, along with the ability to ascribe date, time and GPS location information pertinent to the crime scene. All documentation for each crime scene can be bundled and exported via USB cable to an external device. After 72 hours, all data collected from the scene is automatically deleted.

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