A method of supporting a criminal investigation includes receiving crime posting data generated by user interaction with a first user interface, the first user interface accessible via a web browser or mobile application, updating a second user interface to display a new crime posting based on the crime posting data, the second user interface accessible via a web browser or mobile application, and receiving tip data generated by user interaction with the second user interface, the tip data including a reference to the new crime posting. The method further includes generating a unique tip identifier and storing the tip identifier in association with the tip data.
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