PITTSBURGH (KDKA)– Experts at Carnegie Mellon University have developed a method for authorities to track mass shooters right from their smartphones.

Our partners at the Pittsburgh Post-Gazette say three or more smartphones could calculate the exact direction the shots are fired from.

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Research professor Alexander Hauptmann calls the system Video Event Reconstruction and Analysis (VERA).

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He says the system may be useful as a back-up option for public safety officials.

Experts believe that military and intelligence agencies are already developing technology such as this one.

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“We think the human rights community must have the same types of tools. It provides a necessary check on state power,” said fellow researcher Jay D. Aronson, a professor of history at CMU and director of the Center for Human Rights Science.