assistant attorney general for national security, john demers, thank you for joining me. ank you. taylor: when it comes to a crisis event at a school or city center, seconds can make the difference between life and death. we speak to one company using technology to make sure every second counts. that's next. this is bloomberg. ♪ taylor: mass shootings at a school is a nightmare for any parent. schools across the country are looking for ways to help ensure safety across their campuses in an event of an emergency. one company working to leverage technology to notify on-site personnel and first responders is raise mobile safety. their products like their panic button app are being used across u.s. by law enforcement, schools, and more. most recently, all kindergarten through 12th grade teachers in louisiana will have access to that technology. for more, i bring in todd, the ceo of raise mobile safety and he joins me from boston. thank you for joining me. talk to me about the business model of the app. how does it work? todd: sure, taylor pair thanks for having me on. it is im