Paying attention to warning signs and early intervention could be the difference between life and death for students.

A new report released by the Secret Service found that the key to preventing school attacks is early intervention by someone close to a student possibly planning violence.

The agency's National Threat Assessment Center analyzed nearly 70 disrupted school plots that were reported and averted between 2006 and 2018.

Tony Montalto lost his daughter, Gina, in 2018 when a former student killed 17 people and wounded 17 more at Marjory Stoneman Douglas High School in Parkland, Florida.

Read more: CBS News