The Sandy Hook Promise, an organisation set up by family members of those tragically killed during an elementary school shooting in Connecticut, USA, four years ago, has released a video urging people to spot the early signs of gun violence in schools.

In the video, the audience is introduced to high-school student Evan and follow him on a romantic adventure.

Meanwhile, in the background, another student appears to be planning a shooting.

“While you were watching Evan, another student was showing signs of planning a shooting. But no one noticed,” explained a spokesperson from the Sandy Hook Promise.

The powerful campaign aims to “educate and empower parents, schools and community organizations on how to prevent gun violence before it happens.”

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