LAW ENFORCEMENT AGENCY

Using a custom Android application, TA Digital developed a system for enhancing a law enforcement agency’s handling of crime scene photos. The new system uses secure wireless communication to transfer photos from the agent’s camera to their mobile phone. After the agent verifies and tags the photos, our Android application forwards the data to the agency’s internal photo management software.

PROJECT CHALLENGE

One of the goals of the project was to devise a consistent method for investigators to transfer crime scene photos to their workstations. Since there are many ways to retrieve images from cameras, the client’s investigators varied their methods.

Since our method for transferring images would utilize wireless technology, we also needed to devise a system to facilitate secure transfers with no possibility of interception or tampering. Finally, our solution had to integrate with the client’s existing photo management software so as not to break existing workflows.

OUR SOLUTION

To facilitate faster crime scene image processing and ensure that all of the client’s investigators would follow the same workflow, we installed Toshiba FlashAir cards in the client’s cameras and developed an Android mobile application to interface with the cards. Our mobile application:

  • Creates a secure tunnel for private communication with the FlashAir card using a communication API provided by Toshiba
  • Transfers photos from the camera to the Android device without requiring removal of the memory card or use of a card reader
  • Stores all images in a unique path tagged with the crime scene number
  • Allows the agent to categorize images containing fingerprints, footprints and other key data
  • Displays a summary screen allowing the agent to confirm the quality of the images and make corrections to image categories if necessary
  • Uploads the images to the FISH photo suite via a secure FTP transfer
  • Confirms the successful file transfer to the agent

FINAL RESULT

Our solution for transferring and organizing images has proven instrumental in making the client’s process for organizing crime scene photos more consistent and efficient. The client now has easier access to photos containing vital evidence, and the client’s system for organizing groups of photos by their associated crime scenes is now improved. Our system automatically generates image thumbnails to allow agents to find photos more easily. It also uses storage space more efficiently for improved performance when searching large image libraries. Transferring photos by Wi-Fi also saves wear and tear on memory cards containing vital evidence.

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