ShotSpotter used to track gunfire reveals far more shots are fired than reported

Smart surveillance technology may not yet be able to prevent massacres at the hands of gunmen, but it can listen to gunfire and tell the police where shots were fired from. Now experts have analysed data collected by ShotSpotter sensors in two US cities to show gun violence that does not end in bloodshed is often not reported. This means far more people are firing guns than are recorded by official statistics, suggesting gun violence is far worse than thought. Use the interactive module below to study gunshots fired in Washington. Mobile users who cannot see it, can visit the University of Virginia's website Experts have analysed data collected by ShotSpotter sensors in two US cities to show gun violence that does not end in bloodshed is often not reported.