307 mass shootings in 312 days in the US

  • 09/11/2018

Twelve people have been killed in Southern California after a gunman opened fire in a crowded bar.

Authorities believe the former Marine with a history of mental health issues then shot and killed himself.

Among his victims was a deputy sheriff, who was called a hero by his colleague Geoff Dean. 

It brings the number of mass shootings to 307 in 312 days.

Watch the video. 

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