gun.jpgIf you live in the Visitation Valley area and hear gunfire from 7-9 tonight, don’t worry, it’s (probably) not crime.

According to Ingleside Station Captain Louis Cassanego, the SFPD will be testing their ShotSpotter system in the Visitation Valley neighborhood.

Shot Spotter, as you might recall, is a device that employs sophisticated sound sensors to electronically monitor gunfire and accurately pinpoint its location.

While its effectiveness at turning gunfire reports into arrests has been called into question more than once, the SFPD’s kept the faith, utilizing it in the Bayview, Mission and Northern police Districts.

Ingleside Station Captain Cassanego is one of ShotSpotter’s believers, saying that “I believe this innovative system will make our neighborhood a safer place.”

Tonight’s tests will go down between 7-9, with SFPD’s Range Master and Range staff conducting the tests using live ammunition. They’ll spend about 20 minutes at each of the following locations:

1. Burr and Argonaut
2. Campbell and Rutland
3. Mansell and Brussels

Cassanego says that the neighborhood will be warned, with an announcement made over a public announcement system at the beginning and end of each set of tests. If this were an episode of Murder She Wrote, whodunit shenanigans would surely follow, but I’m hopeful that tonight’s tests will proceed sans incident.

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the author

Eve Batey is the editor and publisher of the San Francisco Appeal. She used to be the San Francisco Chronicle's Deputy Managing Editor for Online, and started at the Chronicle as their blogging and interactive editor. Before that, she was a co-founding writer and the lead editor of SFist. She's been in the city since 1997, presently living in the Outer Sunset with her husband, cat, and dog. You can reach Eve at

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