<p>Big Investment An expensive AI gun detection system appears to have been a massive waste of money after it failed to detect the weapon used in a school shooting. As NBC News reports, the $1 million contract that Nashville's Antioch High School paid to the Omnilert gun detection software company has come into question after a student managed to sneak in a gun and open fire in his high school's cafeteria. The 17-year-old shooter shot and killed one 16-year-old classmate and wounded another before turning the gun on himself, which he did not survive. Omnilert's technology used the school's security cameras […]</p>