ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,452,393, issued on Oct. 21.

"Building alarm system for active shooter emergencies" was invented by Jackie Walden (Hartselle, Ala.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The building alarm system for active shooter emergencies May include a security server, a wearable device, security server application software, call center application software, laptop application software, and wearable device application software. Responsive to an emergency call originating from a building, the building alarm system may be adapted to direct closest first responders to the building. The building alarm system may acquire one or more video feeds from a plurality o...