The Board of Supervisors on Tuesday unanimously approved the acceptance and spending of a $1 million federal grant that would pay for expanding the area covered by a gunshot detection system, known as Shotspotter.
The City will use the money to have the system in place listening for gunshots in a total of 7 square miles. It is currently covering 3.3 square miles.
Police Department Lt. Mikail Ali, who is in charge of the system, has said the device is proving useful in the areas it covers: the Mission, Bayview and Western Addition.
In a two-month period during 2009, 244 gun firings were detected, compared to 177 in the same period of 2010.
The technology enables police to respond within minutes to the scene where a gunshot was detected.