(Brynn Anderson | The Associated Press) Alessandra Mondolfi holds a sign against AR-15 weapons as she yells, "No More" during a protest against guns on the steps of the Broward County Federal courthouse in Fort Lauderdale, Fla., on Saturday, Feb. 17, 2018. Nikolas Cruz, a former student, is charged with killing 17 people at Marjory Stoneman Douglas High School in Parkland, Fla., on Wednesday.