In this February 2018 photo, students hold their hands in the air as they are evacuated by police from Marjory Stoneman Douglas High School in Parkland, Fla., after a shooter opened fire on the campus. A Florida law that allows judges to bar anyone deemed dangerous from possessing firearms has been used 3,500 times since its enactment after the 2018 high school massacre. Photo by Mike Stocker of the South Florida Sun-Sentinel via AP