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Gunshot-detection and ALPR reports raise questions about effectiveness and outcomes

Vallejo Surveillance Advisory Board · January 15, 2026
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

Board members pressed police staff for clearer outcome data after reviewing Raven gunshot-detection and ALPR reports that showed large numbers of alerts but relatively few confirmed incidents or recoveries; staff said Raven covers only part of the city and agreed to add case linkage to future reports.

Board members asked how usage metrics for Raven (gunshot-detection) and ALPR (automatic license-plate readers) translate into case outcomes.

On Raven, staff reported thousands of alerts over the year but noted a large share came from fireworks ("a lot of noise"). One member flagged 11,277 total Raven alerts including many firework alerts and questioned how the department confirms alerts: "We had 11,277 total alerts... 6,6975 of those total alerts were…

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