This is why it is so difficult to respond to mass shooting threats

But with most mass shootings lasting just a matter of minutes, law enforcement is rarely able to respond in time to save everyone, which is why the prevention aspect is so critical to stopping them. https://on.wtsp.com/2kpV9MR
Published: 6:26 PM EDT September 3, 2019
Updated: 6:25 PM EDT September 3, 2019