(April 22, 2019, 7:08 PM EDT) -- FORT LAUDERDALE, Fla. — Twenty complaints were filed April 10 and 11 against school and law enforcement officials by 10 students injured and on behalf of a teacher and nine students killed in a mass shooting at a high school in Parkland, Fla., in 2018 (Samantha Mayor v. School Board of Broward County, et al., No. 19008071, Fla. Cir., 17th Jud., Broward Co.)....